Senior Cyber Defense Engineer Jobs

Customer Success Engineer/ Sr Customer Success Engineer Location: Tokyo, Japan Role Overview As a Senior Customer Success Engineer focused on technical support, you will provide enterprise-level post-deployment support to Rubrik customers across Japan. You will troubleshoot complex data protection and cyber-resilience issues, drive rapid resolution of support cases, and ensure our customers can rely on Rubrik Security Cloud to protect and recover their critical data and workloads. This role is part of Rubrik's Global Customer Support and Success Organization and is Japan-remote. About Rubrik Rubrik is on a mission to secure the world’s data. With Zero Trust Data Security™, Rubrik helps organizations achieve business resilience against cyberattacks, malicious insiders, and operational disruptions. Rubrik Security Cloud, powered by machine learning, secures data across enterprise, cloud, and SaaS applications. Rubrik helps organizations uphold data integrity, deliver data availability that withstands adverse conditions, continuously monitor data risks and threats, and restore businesses with their data when infrastructure is attacked. Rubrik.com About the Team Rubrik’s Global Customer Support and Success Organization is a team of professionals committed to providing a world-class post‑purchase experience. The team delivers post‑deployment technical support to customers and partners across a wide range of technologies and cloud deployments and ensures timely activation and adoption of Rubrik’s SaaS products and technologies. The Customer Support Team is composed of seasoned experts in data management and security who possess an in‑depth knowledge of Rubrik’s solutions, data protection, and recovery strategies. They are skilled at swiftly diagnosing and solving complex issues while keeping the overall customer experience at the forefront. What You Will Do Provide expert‑level technical support to enterprise customers across Japan via phone, web, email, and other support

Overview of Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions, and organizations. Our full range of advisory services includes strategic communications, investor relations, financial transactions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance, and ESG. The firm has more than 1,800 employees located in 45+ offices around the world. The Management Consulting Team at Teneo Our Management Consulting division focuses on answering key strategic questions for business leaders through our mix of senior experience and rigorous analysis, combined with the unique expertise that exists across Teneo. We operate across a diverse array of sectors including Consumer Goods, Healthcare, Leisure & Hospitality, Software, Transport, and TMT, amongst others. Within these markets, we provide strategic, operational, and due diligence support, advising reputable Fortune 500 and FTSE 100 firms, key public-sector organizations, and leading private equity houses. As an Associate Director, you are a client-facing leader who partners with senior leadership to define and execute client strategy. This role requires an independent strategy consultant who can challenge assumptions, structure complex problems, and turn strategy into action across areas such as growth strategy, technology-enabled strategy, operating model design, merger integration, and implementation planning. Key Responsibilities: Drive and develop business and growth strat

About Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions and organizations. Our full range of advisory services includes strategic communications, investor relations, financial trans ­ ac ­ tions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance and ESG. The firm has more than 1,800 employees located in 50+ offices around the world. The Role The People Operations Coordinator will join the US People Team and support employees throughout the employee lifecycle. This person will help manage onboarding and offboarding, maintain accurate employee data in Workday, respond to day-to-day People questions, and coordinate learning programs. This role is well suited for someone who is organized, responsive, detail-oriented, and comfortable managing multiple priorities in a fast-paced environment. This is a temporary assignment with the potential to convert to a full-time role. Any conversion will depend on performance and business needs. Responsibilities People Operations and Employee Lifecycle Coordinate onboarding and offboarding, including Workday tasks, employment agreements, background checks, I-9 verification, orientation, and required documentation. Serve as a point of contact for candidates, new joiners, employees, and managers, responding to routine People questions and requests and ensuring timely follow-through. Support

About Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions and organizations. Our full range of advisory services includes strategic communications, investor relations, financial transactions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance and ESG. The firm has more than 1,800 employees located in 50+ offices around the world. Description We are seeking a senior Executive Assistant to provide high-level administrative and strategic support to an executive leader, who runs a large international portfolio. With a proactive mindset and strong organizational skills, the ideal candidate will thrive in a fast-paced environment as well as effectively managing multiple tasks and priorities with professionalism, utmost discretion, and attention to detail. The candidate will be responsible for providing a seamless foundation of administration that allows teams to function most effectively and efficiently—and that includes anticipating needs, asking smart questions, and staying connected to fast-moving developments. The Executive Assistant will oversee special projects or activities, coordinate daily schedules/calendars, prepare the Executive for meetings, manage domestic and international travel, and handle expenses. The ideal candidate will function under tight deadlines in a highly demanding work environment while exhibiting excellent customer service and professionalism in all in

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: Platform DevOps Engineer Job Type: Full Time Location: Columbia, MD Clearance Requirement: TS/SCI, CI Poly Salary : Senior $215K SME $240K WHAT YOU’LL DO SIXGEN is actively seeking candidates to be part of a team that supports the United States Cyber Command (USCC). Our team is standing up USCYBERCOM’s AI Enterprise capability — the central hub that mission teams turn to when they want to move an AI solution from prototype to a secure, governed, enterprise-scale service. As a Senior Platform / DevOps Engineer on this team, you will build and run the infrastructure, pipelines, and control-plane guardrails that let the command adopt AI safely and at scale, with significant, visible impact on the mission of the USCC. What You'll Be Doing: Provide embedded operations support, capability integration, and rapid prototyping for AI-enabled tools in support of our customer. Design, implement, and maintain robust infrastructure for enterprise AI applications in cloud environments (AWS, Microsoft Azure) and on-prem/air-gapped/classified environments. Develop and optimize engineering workflows and processes to support AI model and agent development, deployment, and maintenance. Architect and manage CI/CD pipelines for continuous integration and continuous delivery of AI models, agents, and applications. Implement and manage containerization and orchestration solutions using Docker and Kubernetes, and build and maintain control-plane guardrails — identity, policy enforcement, approvals, audit/logging, and observability. Ensure efficient AI mo

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: AI/ML Engineer Job Type: Full Time Location: Columbia, MD Clearance Requirement: TS/SCI, CI Poly Salary : Senior $215, SME $240K WHAT YOU’LL DO SIXGEN is actively seeking candidates to be part of a team that supports the United States Cyber Command (USCC). Our team is standing up USCYBERCOM’s AI Enterprise capability — the central hub that mission teams turn to when they want to move an AI solution from prototype to a secure, governed, enterprise-scale service. As a AI/ML Engineer on this team, you will design and integrate the models, agents, and AI workflows that run on that platform, with significant, visible impact on the mission of the USCC. What You'll Be Doing: Provide embedded operations support, capability integration, and rapid prototyping for AI/ML-enabled tools in support of our customer. Design and integrate LLM/agent orchestration workflows using agentic frameworks such as LangGraph, Agno, and the NVIDIA NeMo Agent Toolkit. Tune model gateway routing logic to select, evaluate, and optimize across multiple frontier and open-weight models for cost, performance, and mission fit. Develop and integrate RAG pipelines, vector databases, and memory services to give agents access to mission knowledge and context. Implement MCP (Model Context Protocol)-based tool-broker integrations so agents can safely and securely access enterprise tools and data. Evaluate, benchmark, and tune models and agent behaviors; build automated evaluation pipelines to track quality, safety, and performance over time. Partner with data scientists and mission analysts to

About Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions and organizations. Our full range of advisory services includes strategic communications, investor relations, financial trans­ac­tions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance and ESG. The firm has more than 1,800 employees located in 50+ offices around the world. The Opportunity This is an early seat in a growing office. The Vice President will do hands-on client work with a senior team and help the office try out new ways of working, including AI-enabled tools built with Teneo's firmwide AI team. If you want to learn fast, take on real responsibility, and help shape how a modern communications advisory team operates, this role is for you. Who We're Looking For A sharp, curious communications professional who is comfortable with technology and eager to build. You may have worked at an agency, in-house, or both. What matters most is that you are entrepreneurial, use AI to speed up your own work, and like figuring out better ways to get things done. Responsibilities Be a key member of the core account team, working with Account Managers and leaders on client mandates. Manage day-to-day account work and the production of deliverables such as strategic plans, press releases, talking points, Q&A documents, and briefing memos. Support clients through moments of transition and h

Overview of Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions, and organizations. Our full range of advisory services includes strategic communications, investor relations, financial transactions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance, and ESG. The firm has more than 1,800 employees located in 45+ offices around the world. The Management Consulting Team at Teneo Our Management Consulting division focuses on answering key strategic questions for business leaders through our mix of senior experience and rigorous analysis, combined with the unique expertise that exists across Teneo. We operate across a diverse array of sectors including Consumer Goods, Healthcare, Leisure & Hospitality, Software, Transport, and TMT, amongst others. Within these markets, we provide strategic, operational, and due diligence support, advising reputable Fortune 500 and FTSE 100 firms and key public-sector organizations. As a Manager, you will play a key role in leading client engagements and delivering strategic, data-driven solutions for clients. Working closely with senior leadership, you will oversee project execution, guide and develop junior team members, and help clients navigate complex business challenges to achieve meaningful outcomes. Key Responsibilities: Lead high-quality client engagement delivery across research, analysis, insight development, technical execution, and overall project management Manage

About Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other cor­po­ra­tions, financial insti­tu­tions and organizations. Our full range of advisory services includes strategic com­mu­ni­ca­tions, investor relations, financial trans­ac­tions and restruc­tur­ing, management consulting, physical and cyber risk, orga­ni­za­tion­al design, board and executive search, geopolitics and government affairs, corporate governance, ESG and DE&I. The firm has more than 1,800 employees located in 50+ offices around the world. Description Teneo Digital advises the world's leading CEOs and organizations on how to show up, compete and win in a digital-first world, where reputation is shaped across social media, search, paid campaigns, AI-generated answers and emerging platforms. We work at the intersection of strategy, communications and digital, helping clients navigate how influence is evolving and translating those changes into practical communications, campaign and reputation strategies. We're looking for a senior digital strategist to help build Teneo Canada's capability at the intersection of digital strategy, campaigns, AI and reputation. This is a client-facing advisory role, working with senior communications and corporate affairs leaders to develop digital strategies, lead campaign strategy and oversee execution with specialist partners and translate emerging trends into practical recommendations that drive business outcomes. Day to day, you'll help clients unders

About Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions and organizations. Our full range of advisory services includes strategic communications, investor relations, financial transactions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance, ESG and DE&I. The firm has more than 1,800 employees located in 50+ offices around the world. The Role As a Director, you will play a key role within our senior Management Consulting team, helping deliver exceptional client work while supporting the growth and development of our people. Working closely with Managing Directors, you will help build and strengthen client relationships, identify new business opportunities, and contribute to the continued growth of the practice. This role will serve leading Technology and Services companies on a broad range of strategic and commercial challenges, including Growth Strategy, M&A, Commercial Due Diligence, Pricing & Revenue Monetization, Go-to-Market Strategy and Operations, and Operating Model Design. You will work with corporate clients as well as private equity investors and their portfolio companies, helping organizations drive growth, unlock value, and execute critical strategic initiatives across a variety of industries. Responsibilities Structure and lead complex projects in close collaboration with a Managing Director Apply strong consulting skills to lead complex analytical

About Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions and organizations. Our full range of advisory services includes strategic communications, investor relations, financial trans­ac­tions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance and ESG. The firm has more than 1,800 employees located in 50+ offices around the world. Description Vice Presidents in Corporate Communications play a critical role in helping lead and execute integrated communications for Teneo’s clients. They are responsible for driving high-quality work across corporate communications, executive positioning, media relations, stakeholder engagement, issues management, and crisis communications. VPs are expected to be strong client counselors and trusted partners who can navigate complex situations, manage ambiguity, and translate strategic priorities into clear, actionable communications plans. They bring sound judgment, strong writing and messaging skills, and the ability to manage multiple workstreams while keeping teams aligned and moving forward. Highly motivated, entrepreneurial, and collaborative, VPs serve as a key connection point across clients, senior leaders, and internal teams. They help ensure our teams deliver best-in-class service, operate with urgency and precision, and function as a cohesive unit. Responsibilities Key member of “Core Account Team,” working with Account Managers and Leaders on

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 Data Scientist Job Type: Full-time Location: Onsite, Ft. Meade, MD Clearance Requirements: Active TS/SCI with Polygraph required Work Schedule: 5 days per week onsite Travel Requirements: None Experience: 4+ years WHAT YOU'LL DO SIXGEN supports missions by serving government and commercial organizations as they overcome global cybersecurity challenges. In this position, you’ll provide meaningful support to our customer’s missions and operations. You’ll work alongside a team of highly skilled operators who are dedicated to using innovative processes, tools, and techniques to get things done. KEY RESPONSIBILITIES Develop, and maintain robust and scalable data pipelines for enterprise AI applications including defining appropriate data model concepts Develop high-performance data parsers for extremely large and complex datasets Implement and manage various database systems, including graph, SQL, NoSQL, and vector databases Collaborate with AI/ML engineers and data scientists to understand data requirements and optimize data access and retrieval for AI models Ensure data quality, integrity, and security across all data storage solutions Support the deployment and maintenance of AI applications by providing expert data engineering capabilities Familiarity with AI concepts in the context of data storage, access, and retrieval Continuously optimize data infrastructure for performance, cost-efficiency, and scalability REQUIRED QUALIFICATIONS Bachelor's degree in a relevant technical fi

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: The Customer Success Manager (CSM) acts as a trusted advisor for strategic accounts, driving customer retention, expansion, and satisfaction. Building on foundational customer success practices, the CSM takes ownership of complex accounts, proactively addressing adoption challenges and delivering measurable business outcomes. This role leverages advanced knowledge of Tenable’s product suite to develop tailored strategies that align customer goals with organizational solutions. The CSM collaborates across internal teams to resolve escalations, guide advanced product adoption, and ensure alignment between customer objectives and business priorities. Your Opportunity: Lead the onboarding process for high-value or complex accounts, ensuring a seamless transition and establishing a strong foundation for success. Build and maintain strategic relationships with senior stakeholders, acting as a trusted advisor to align customer goals with organizational solutions. Own and execute renewal and expansion strategies by applying the MEDDPICC sales methodology, while using metrics like adoption rat

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 Regional Vice President, Alliances reports to the Chief Commercial & Partner Operations Officer and serves as an executive leader responsible for driving regional revenue growth, strategic positioning, and executive-level alignment with one of Druva’s most strategic alliance partners. The ideal candidate will have a proven track record of executive alliance leadership, business development, and co-selling strategy within major OEM and infrastructure ecosystems. This leader will drive overall go-to-market (GTM) execution, oversee senior stakeholder alignment, lead joint governance, and spearhead high-impact pipeline generation initiatives across the region. Your Responsibilities Include, But Are Not Limited To: Drive executive strategy and regional leadership for Druva’s high-value engagement with its premier OEM alliance partner. Own and exceed annual and quarterly regional bookings, revenue targets, and joint growth goals associated with the partnership. Cultivate executive-level relationships with partner sales leadership, regional VPs, and key business stakeholders to expand joint influence. Lead ex

About Teneo Teneo is the global CEO advisory firm. We partner with our clients globally to do great things for a better future. Drawing upon our global team and expansive network of senior advisors, we provide advisory services across our five business segments on a stand-alone or fully integrated basis to help our clients solve complex business challenges. Our clients include a significant number of the Fortune 100 and FTSE 100, as well as other corporations, financial institutions and organizations. Our full range of advisory services includes strategic communications, investor relations, financial transactions and restructuring, management consulting, physical and cyber risk, organizational design, board and executive search, geopolitics and government affairs, corporate governance and ESG. The firm has more than 1,800 employees located in 50+ offices around the world. The Opportunity Teneo's San Francisco office is in a building phase. We are assembling a small, senior team of advisors who understand how technology companies actually work: their customers, investors, boards, and regulators, and the internal dynamics their leaders have to navigate. We help these companies through moments of significant transition. The Managing Director will work with the San Francisco Office head to lead the office's Strategy & Communications team, own a portfolio of client relationships, and play a central role in growing the office's business and reputation in the Bay Area. This is a chance to help shape an office and a practice, not just step into one. We are also looking for someone who believes the communications function itself is changing. Our clients are rethinking what communications means inside their companies: how it connects to strategy, how it is structured and staffed, and how new tools, including AI, are changing the work. We want an MD who can help clients lead that evolution and who is