Jobiba hiring network

Senior Cyber Defense Engineer Jobs

10,000 active opportunities · Updated for October 2026

Fresh results

15 shown

Explore current senior cyber defense engineer jobs. Use filters to narrow by work mode, employment type, experience and date posted.

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . About the Team This role works within a highly collaborative, performance-driven EMEA wide sales team focused on helping customers modernize data protection and cyber resilience with Druva’s 100% SaaS platform. The Senior Account Executive will focus on growth in the DACH Region, maintaining and expanding existing customer relationships while actively hunting and closing net-new logos. Role Purpose & Impact As the Senior Account Executive, you will execute on prospecting, and closing new customer opportunities across Enterprise level organizations. You will build trusted relationships with IT and security leaders by understanding their business challenges and aligning them to Druva’s cloud-native data protection and cyber resilience platform. Partnering closely with your Systems Engineer, you will lead discovery, technical validation, and solution design to clearly articulate the value of a SaaS-based approach. You will collaborate cross-functionally with Customer Success, Channel Partners, and internal teams to support onboarding, adoption, renewals, and workload expansion, while building pipeline, forecasting accuratel

About Us The Rubrik Security Apps team helps customers secure their data on the cloud. Cloud data is growing at an ever growing pace and so are the risks with cyber attacks targeted towards cloud data. We make it easy for businesses to protect, search, analyze all of their cloud data simply and scalably. Security Apps is one of the fastest growing businesses and teams within Rubrik. We consider ourselves a startup inside a startup! Join us in this journey where there are ever widening avenues to explore, opportunities to innovate, deep engineering problems to tackle. We believe in fostering a culture with strong engineering values and teamwork as the key to building a great company and product. When you become part of our dynamic and innovative team, you'll contribute to the development of cutting-edge products within a fast-growing company that prides itself on an exceptional culture and a dynamic work environment. About the Role We're looking for a Senior Backend Engineer to join our R&D team. You will work closely with our product team to build our unique product offering. As a Senior Backend Engineer, you will be responsible for building complex backend designs that are both scalable and fault-tolerant, developing our data ingestion pipeline and introducing new analysis engines. What You'll Be Doing Design, develop, test, deploy, maintain and improve the software. You’ll have your domain of expertise in which you'll assist the product team with future directions, lead the technology and cooperate with other engineers. You’ll develop backend services that integrate with and ingest data from various cloud providers that store sensitive data. You’ll build pipelines that analyze, classify, correlate and process this data. You’ll build systems that detect anomalies in the ingested data for alerting the customer, that automatically resolve issues and that generate sophisticated yet easily consumable insights arising from the processed dat

sqlawsazure
View job →
D
Druva
📍 Santa Clara• From $169K/yr
2mo ago

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . About the Team The Learning & Development (L&D) team is dedicated to fostering a culture of continuous improvement and growth. The team provides essential resources for continuous skill development, enabling employee success. Our programs are designed to support high-ownership work, ensuring employees can thrive, deliver maximum ROI for customers, and build key career skills as Druva shapes the future of data security. Role Purpose & Impact The Senior Learning and Development Manager will architect and execute our enterprise-wide learning strategy, building scalable programs that drive leadership excellence, accelerate capability development, and strengthen employee engagement. This role reports to the Sr. Director, HR and serves as a strategic partner to senior leadership, translating business objectives into targeted development initiatives that enhance organizational performance and prepare our workforce for future challenges in the rapidly evolving data security landscape. What You’ll Do Strategic Learning Architecture Design and implement a comprehensive learning ecosystem aligned with business priorities, i

aiproject managementHR
View job →
D
Druva
📍 Ohio• $227K – $302.3K/yr
2mo ago

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . The Role & The Team: Druva is seeking a self-driven, experienced Account Executive for State, Local and Higher Education (SLED) to build, oversee and manage our SLED sales and associated channels for Druva’s product lines with a focus in the assigned territory (The Northeast). The chief objectives are to drive new business while continuing to manage and grow existing business, accounts, and partner relationships. Y our Responsibilities Include, But Are Not Limited To : Generate growth around Druva’s solutions within the SLED Market in the Northeastern US. Effectively communicate Druva’s company vision, value proposition, and go-to-market strategy. Take a lead role on sales campaigns to ensure that the solutions achieve customer goals and provide an outstanding customer experience. Seek and drive new business and while continuing to nurture and grow existing business, accounts, and partner relationships. Effectively manage the territory, pipeline and forecast Willingness to travel up to 25%. What We Are Looking For: 7+ years of experience in SLED Sales with an organization that was building their market presence.&nbs

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . Enterprise Workload is a unified server backup and archival built on Druva’s secure, enterprise-trusted, and high-performance cloud platform. With Phoenix, data can be stored indefinitely with limitless snapshots and flexible retention policies, while at the same time significantly lowering your backup costs. Druva takes a multi-layered approach to securing data that is unmatched in the industry – enabling organizations to address both their data security and data privacy requirements. As a Senior Staff Software Engineer, you will be responsible for the design, implementation and maintenance of software modules owned by a team. You will guide and mentor junior team members by reviewing their code and designs to ensure that they are writing well designed and high quality code. This role requires excellent communication skills as you will need to collaborate across teams. Key Skills: 5 to 8 years of experience Extensive experience on Go/Python/C++ Experience on OS - Unix/Linux and Windows Experience on leveraging AI tools in daily tasks Hands on experience in Networking and Multi-threading Desirable Ski

pythonlinuxai
View job →

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . This role will be with a core platform team in Cloud Apps Org in Pune. This team is responsible for providing architectural components for supporting core operations of multiple SaaSApps workloads. As a Senior Staff Software Engineer in the platform team, you will be responsible for the design and implementation of software modules owned by a team. Your primary focus will be on the development of all backend server side components and ensuring high performance and responsiveness to requests from different workloads. You will guide and mentor junior team members by reviewing their code and designs to ensure that they are writing well designed and high quality code. This role requires excellent communication skills as you will need to collaborate across teams. Key Skills 6+ years of experience, preferably in a product company. Extensive hands-on experience in Go/Python/C/C++/Java/.Net or any other Object-Oriented Language Excellent programming skills along with Data structures, Algorithms, Design Concepts Strong experience in working with SoA (Service oriented Architecture) Experience in Cloud Technologies (AWS/Azure). E

pythonjavaaws
View job →
D
3mo ago

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . The Role & The Team: We are looking for a talented, motivated, and quality-focused Senior Test Automation Engineer to design testing procedures for our software applications. The candidate will be responsible for analyzing the functionality of applications and designing automated tests to validate their stability and performance. They will have a technical background, a strong analytical thinker, and a proven ability to analyze complex solutions and define the appropriate test strategy. They will be a determined individual, who is confident to probe and question, and work with Developers and Product Owners to understand requirements and develop and maintain automated and manual tests. They will be responsible for active issue management in coordination within the team, communicating the cause, effect, and impact of those issues to the team, who can then prioritize appropriately. You will be responsible for coding, testing, and maintaining software systems, while mentoring and building the test capabilities of the agile teams. Reporting to the Director of Engineering, the candidate will recognize areas

javascriptpythonnode.js
View job →
SI
SixGen, Inc.
📍 Annapolis Junction
3mo ago

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW • Position: Senior CNO Developer • Location: Annapolis Junction, MD • Clearance Requirement: TS/SCI with CI Poly (or ability to obtain prior to starting) WHAT YOU’LL DO SIXGEN is actively seeking candidates to provide embedded operational support, develop advanced cyber capabilities, and deliver mission-focused software solutions in support of critical customer operations. This role combines software engineering, rapid prototyping, vulnerability research, and close collaboration with mission partners to develop and integrate cutting-edge cyber capabilities. Responsibilities include: • Provide embedded operations support, capability integration, and rapid prototyping in support of customer missions. • Design, develop, test, and debug software components, modules, and applications to meet mission requirements and development schedules. • Adhere to software build and release schedules while documenting technical findings and presenting results to stakeholders. • Develop software prototype demonstrations and conduct independent research into software and device vulnerabilities. • Collaborate with headquarters teams and local customers to develop, integrate, and enhance advanced Cyber Network Operations (CNO) tools. • Identify operational risks, manage competing priorities, and support mission execution in fast-paced operational environments. Technology proficiency includes: • Bachelor's degree in a related discipline with 12+ years of experience, or Master's degree with 10+ years of experience • Proficiency with Windows and Linux operating systems • Strong

pythonlinuxai
View job →

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 percent of the Global 2000, and large government agencies. Come be part of our journey! What makes Tenable such a great place to work? Ask a member of our team and they’ll answer, “Our people!” We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging, respect, and excellence where we can be our best selves. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters. We deliver results that exceed expectations and we win together! Your Role: Design and develop complex, scalable, and high-performance features and systems within your team, ensuring clean, efficient, and maintainable code. Collaborate closely with product managers, architects, and fellow engineers to help shape technical approaches and project plans for your team’s roadmap. Provide technical input and recommendations to ensure solutions align with business objectives, compliance standards, and long-term maintainability, escalating cross-team architectural questions to staff/principal engineers as needed. Diagnose and resolve complex production issues within your team’s systems, driving root cause analysis and fixes, and escalating the most critical, cross-system issues appropriately. Mentor engineers through code review, pairing, and day-to-day guidance, helping raise the quality bar within the team. Review team members’ code with a focus on improving design and implementation quality. Your Opportunity: Develop and maintain key components and features, integrating new functionality and helping maintain the reliability and scalability of core infrastructure.

pythonjavaaws
View job →

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW Position: Software Engineer Job Type: Full-time Location: Ft. Meade, MD Clearance Requirements: Active TS/SCI with Polygraph required Work Schedule: 5 days per week onsite Travel Requirements: None Experience: 14+ years WHAT YOU'LL DO We are seeking a Software Engineer to support the implementation, troubleshooting, maintenance, and ongoing support of agile software development efforts focused on modernizing systems. This role requires applying advanced software engineering principles, theories, and concepts while contributing to the development of new approaches and solutions. The ideal candidate will tackle highly complex technical challenges, operate with significant autonomy, and provide technical leadership and mentorship to team members when needed. KEY RESPONSIBILITIES Software Development Design, develop, modify, and implement software applications using agile development methodologies. Write source code for new applications and enhance existing software solutions. Utilize both front-end and back-end technologies to develop complete software solutions. Support the modernization, maintenance, and enhancement of existing systems. Engineering & Technical Problem Solving Apply advanced software engineering principles to solve complex technical challenges. Develop innovative approaches and solutions to meet mission requirements. Contribute to software architecture, integration efforts, and application development activities. Collaborate across cross-functional teams to deliver effective solutions. Team Collaboration & Leadership Work closely with technical teams in a

javascriptpythonjava
View job →

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . The Data team within Foundation processes data at scale. It builds and operates tools that scan petabytes of data to extract insights. The team builds indices and views for semi-structured data to facilitate analytics, using both in-house and off-the-shelf tools. . The team diligently keeps track of newer services, storage tiers, and various aspects of existing AWS services to take advantage of the continuous evolution of services and use them effectively in the background. As a Sr. Software Engineer, you will be providing technical leadership to create high-quality software by owning low level , design and implementation of services within a product. This role will require excellent communication skills as you will collaborate with Product Management to refine requirements, product architects to propose design changes, and other product owners to drive features to completion with good quality. Key Skill AI first mindset to software development, having experience using genAI during various phases of software development lifecycle from design to code to test using tools like 'cursor' 5-7

pythonjavaaws
View job →

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook . As a Senior Staff Software Engineer - Escalations, you will be responsible for fixing product bugs and delivering code changes to the Production part of product reliability, resiliency, stability & sustenance for all Druva SaaS Customers. This role will require excellent communication skills as you will collaborate with Product Management, CloudOps, Development & Customer-Facing Teams to refine requirements, product architects to propose architectural changes, and other product owners to drive features for usability/supportability/quality. Key Skills: 6 -9 years of experience in a combination of Development and Sustenance roles. Extensive hands-on experience in Go/Python on Unix/Linux or Windows platform. Excellent programming skills along with Data structures, Algorithms, and Design Concepts. Strong problem-solving skills and demonstrated ability to articulate and present technical solutions. Strong interpersonal and communication skills, both written and verbal, with the ability to develop and maintain working relationships at all levels, both with customers and internal stakeholders. Experience in ent

pythonawslinux
View job →
SI
SixGen, Inc.
📍 Hybrid• Full-time• Hybrid• $100K – $151K/yr
13mo ago

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW Position: Senior Red Team Operator Job Type: Full Time Location: Hybrid (onsite 1/x week) -Washington D.C. Clearance Requirements: None Travel: Up to 10% ABOUT THE TEAM SIXGEN supports cyber and intelligence missions by serving government and commercial organizations as they overcome global cybersecurity challenges. You’ll work with our highly skilled operators conducting research and assessments based on real-world threats. You’ll simulate adversaries and malicious actors and report details and actionable findings on critical assets and infrastructures. Using innovative processes, tools, and techniques, you’ll predict and overcome cybersecurity vulnerabilities. Your successes will be supported by our diverse team of experienced, technical talent. WHAT YOU'LL DO Simulate real-world cyberattacks to assess and challenge the effectiveness of security controls and incident response capabilities. Conduct reconnaissance, exploitation, and post-exploitation activities using adversary tactics, techniques, and procedures (TTPs). Develop and use custom tools and methods to evade detection and maintain stealth during engagements. Collaborate with blue and purple teams to improve detection, response, and overall security posture. Document findings and deliver clear, actionable reports to technical and executive stakeholders. REQUIRED QUALIFICATIONS US Citizen with the ability to obtain a Public Trust clearance. CRTO certification. CRTL, OSEP, OSCE, OSEE, GXPN, and/or GPEN are preferred, but not required. Extensive Red Team Experience: Minimum 6 years of hands-on technical red te

pythonc#terraform
View job →

About Druva Druva is the resilience foundation for the AI enterprise, helping organizations secure and recover from connected risk across data, cyber, identity, and AI. The Resilience Cloud is a fully managed, cloud-native SaaS platform that delivers air-gapped and immutable protection across cloud, SaaS, on-premises, endpoint, and edge environments. Powered by Dru MetaGraph, Druva’s graph-powered intelligence layer, the platform connects critical business context so customers can understand risk, respond faster, recover cleanly, and govern data with greater confidence. Trusted by nearly 7,500 customers, including 75 of the Fortune 500, Druva helps safeguard the critical information and systems businesses depend on in an increasingly connected world. Visit druva.com and follow us on LinkedIn , X and Facebook Profile – Senior Staff Software Engineer Druva delivers Data Protection and Management for the cloud era. Druva Cloud Platform is built on AWS and offered as-a-Service; customers drive down costs by up to 50 percent by freeing themselves from the burden of unnecessary hardware, capacity planning, and software management. Druva is trusted worldwide by over 4,000 companies at the forefront of embracing the cloud. Druva is a privately held company headquartered in Sunnyvale, California, and is funded by Sequoia Capital, Viking Global Investors, Tenaya Capital, Riverwood Capital, and Nexus Partners. Please do visit us at: https://www.linkedin.com/company/druva/mycompany/ https://www.druva.com/about/ https://www.druva.com/blog/ The Data team within Foundation processes data at scale. It builds and operates tools that scan petabytes of data to extract insights. The team builds indices and views for semi-structured data to facilitate analytics, using both in-house and off-the-shelf tools. . The team diligently keeps track of newer services, storage tiers, and various aspects of existing AWS services to take

pythonjavaaws
View job →
SI
31mo ago

SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. POSITION OVERVIEW Position: Senior Web Application Penetration Tester Job Type: Full-time Location: Remote Clearance Requirements: Must be able to obtain a Secret Clearance Travel Requirements: Up to 10% Experience: 5+ years Salary :$125-$165K WHAT YOU'LL DO We are seeking a skilled and motivated Senior Web Application Penetration Tester to join our growing cyber operations team. The ideal candidate will possess deep expertise in web application security testing, vulnerability research, and exploitation techniques, with the ability to identify complex attack paths and develop creative solutions to challenging security problems. This role goes far beyond automated scanning. Successful candidates will conduct in-depth assessments of web applications, APIs, mobile applications, and supporting infrastructure while leveraging custom tooling, manual testing techniques, and advanced exploitation methodologies to uncover impactful security findings. KEY RESPONSIBILITIES Web Application Security Assessments Conduct penetration testing of web applications, APIs, mobile applications, databases, and client-side technologies. Perform application enumeration, endpoint discovery, vulnerability research, and exploitation activities. Identify, validate, and assess vulnerabilities across complex environments. Analyze attack paths and security weaknesses to determine business and operational impact. Technical Analysis & Research Develop and utilize custom tools, scripts, and payloads to support testing activities. Perform network mapping, vulnerability analysis, and security assessments across applicatio

REMOTEhuman resources
View job →
🔔

Get new senior cyber defense engineer jobs by email

Daily job updates · Unsubscribe anytime