Senior It Systems And Security Engineer Jobs

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 Cost Estimator/Analyst • Location : Annapolis Junction, MD • Clearance Requirement: TS/SCI with Polygraph WHAT YOU’LL DO SIXGEN is actively seeking candidates to provide expert cost estimating and analytical support for Department of Defense (DoD) and Intelligence Community (IC) acquisition programs. This role is responsible for developing defensible life cycle cost estimates, performing quantitative analysis, and delivering data-driven recommendations that support strategic decision-making across complex acquisition initiatives. Responsibilities include: • Analyze business, financial, technical, and programmatic data using quantitative, statistical, economic, and engineering methods to support informed decision-making. • Collect, organize, normalize, analyze, and document cost, technical, financial, and programmatic data for acquisition programs. • Develop life cycle cost estimates (LCCE), independent cost estimates (ICE), component cost analyses (CCA), and program office estimates (POE). • Perform analysis of alternatives, business case analyses, cost risk assessments, schedule realism assessments, and cost estimating relationship (CER) development. • Support project teams by providing cost estimating expertise and advising on methodologies, models, and estimating factors. • Prepare, present, and defend cost estimates, analyses, and technical briefings to Program Offices, Program Executive Offices, and other stakeholders. Technology proficiency includes: • Master's degree in Engineering, Operations Research, Cost Estimating, Mathematics, Finance

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

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. Since 1841, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers. The Senior Marketing Manager, Product Marketing plays a critical role in shaping how Dun & Bradstreet’s solutions are understood, valued, and talked about in the market. This role sits within the Marketing organization and focuses on market insight, customer understanding, positioning, and narrative development, rather than pricing, packaging, or commercial go to market ownership. This role partners closely with Product, Portfolio Marketing, Content, Demand Generation, Sales Enablement, and broader Marketing teams to challenge assumptions, elevate messaging quality, and ensure customer centric thinking is embedded across programs and communication.

About The Weather Company: The Weather Company is the world’s leading weather provider, helping people and businesses make more informed decisions and take action in the face of weather. Together with advanced technology and AI, The Weather Company’s high-volume weather data, insights, advertising, and media solutions across the open web help people, businesses, and brands around the world prepare for and harness the power of weather in a scalable, privacy-forward way. The world’s most accurate forecaster globally, the company reaches hundreds of enterprise clients and more than 360 million monthly active users via its digital properties from The Weather Channel (weather.com) and Weather Underground (wunderground.com). AI is part of how we work: Human judgment, expertise, and creativity remain essential and are amplified by AI. We expect everyone in this role to use AI thoughtfully and proactively to accelerate their performance, improve the quality of their work, and explore new possibilities. We are looking for people who are curious, adaptable, and excited to help shape an AI-enabled culture that delivers better outcomes for our customers and our company. Job brief: As a Senior Manager of Meteorological Technologies at The Weather Company, you will transform meteorological operations by strategically building meteorological tools and applying intelligent workflow automation and AI where they deliver real value. You'll partner with our 24x7 Forecast Operations team to evaluate emerging automation tools, build practical solutions and unlock higher productivity from our meteorologists. This is both a leadership and hands-on technical role requiring someone who can co-design, build, manage, sustain and rapidly evolve cloud-based technology solutions in an operational meteorological environment, co-architect AI workflows and assess cutting-edge tools with discernment, and influence—often across multiple projects simultaneously. You'll aggressively evaluate AI capabili

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! ========================== 📌 This is an active role, but we're currently building our talent pipeline so we're ready to move quickly once we have capacity to begin interviewing. At this stage, we're reviewing and shortlisting applications rather than scheduling interviews, so we aren't able to provide individual timelines or application status updates. If you're selected to move forward, we'll reach out as soon as we're ready to begin the interview process. To help us keep the process fair and efficient, we kindly ask that you don't follow up with the hiring team directly, as we won't have any additional updates to share until interviews begin. Thank you for your patience—we're looking forward to connecting with you when the process gets underway. ========================== Why This Role? We're hiring our first Senior Manager, Talent Development to help define how Cohere develops managers, leaders, and talent as we scale. This is a rare opportunity to own and shape a function from the ground up. Rather than inheriting a mature learning organization, you'll design the programs, frameworks, and ways of working that help one of th

About the Team DoorDash Labs is an independent team within DoorDash. We explore robotics and automation to transform last-mile logistics in the long term. If you have a passion for applying robotics solutions in a service used by millions of people, then we want to talk to you! About the Role As a Senior member of our Service Operations team at DoorDash Labs, you'll take on advanced diagnostic and repair work that keeps our robot fleet running. You'll work closely with the Associate Operations Manager and own your workload with minimal supervision. This is an on-site role with expectations of 100% in-office presence in Mesa, AZ. This position is available on the AM shift (7:00 AM – 3:30 PM), five days per week, including at least one weekend day. You’re excited about this opportunity because you will… Execute any Senior Service Technician task and: Diagnose complex, intermittent, or unusual faults in robotic systems, modular components, and support vehicles, often requiring advanced troubleshooting techniques and interpretation of complex data Perform advanced repairs, including component-level troubleshooting and fixes on intricate electrical systems, control units, and associated hardware, with minimal supervision Interpret complex technical manuals, schematics, and diagnostic flowcharts to guide troubleshooting efforts Meticulously document complex diagnostic processes, root cause hypotheses, non-standard troubleshooting steps, repair details, and component failure information in the service management system, contributing potential updates to the knowledge base Provide technical guidance, mentorship, and on-the-job assistance to Level 2 Technicians for challenging tasks Work independently to manage and prioritize assigned workload effectively Calibrates, configures, and maintains specialized diagnostic tools and test equipment We’re excited about you because you have… 2+ years of service work experience Curiosity and an inclination for all things mechanica

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Role Overview: As a Senior Research Engineer in our Safety team, you will play a key role in helping develop safer, more secure, and more reliable models. Your primary focus will be on building tools to enable easy data synthesis, analysis, and management, for complex combinations of real and synthetic data that is used in both model training and evaluation. You will own the cohesive vision of these tooling repositories. You will work closely with a team of research scientists and engineers to create tooling that enables tighter experimentation cycles, better data coverage of the real world, and more scientific rigour. You will have a lot of autonomy and need to be opinionated about what areas of the codebase need elegance and standards, and where that would be overengineering. You will be given high level experimental problems that need to be solved with efficient pipelines, and design and implement the solutions. Your data analysis will collaboratively feed into modelling decisions and experimentation. This role combines expertise in software engineering, statistics, and data science. If any of these topics sound interesting t

The opportunity Polestar is accelerating the transition to sustainable mobility through electric performance. Behind that journey sits a powerful digital platform enabling everything from checkout and payments to order management, delivery, retail tools, and customer self‑service. At Polestar Digital, we build innovative, scalable solutions that power our global platform. You will join a focused team working across a critical part of the customer journey, delivering systems that customers globally and hundreds of internal users depend on every day. With real ownership, close collaboration, and global impact, you will play a key role in shaping the future of Polestar’s digital ecosystem. We are now looking for a Senior Software Developer to join our headquarters in Gothenburg, Sweden. Let us describe the challenge we offer As a Senior Software Developer, you will be part of a cross‑functional agile team responsible for designing and building high‑performance, scalable solutions that support Polestar’s global digital platform. You will take ownership of system architecture and technical decision‑making while working closely with Product Managers, Designers, and Operations teams to deliver reliable and impactful solutions. The role combines hands‑on development, system design, and collaboration, while also contributing to a strong engineering culture through mentoring and knowledge‑sharing. You will write clean, well‑tested code and contribute to building systems that are robust, scalable, and maintainable. At the same time, you will stay up to date with modern development practices and emerging technologies, including evolving paradigms such as agentic AI. What you'll do You will design, build, and evolve scalable digital solutions that power Polestar’s global platform. Your responsibilities include: Designing and implementing high‑performance, globally scalable systems Taking ownership of system architecture and contributing to technical decision‑making Writing clean

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. What You’ll Be Doing Handling inquiries and issues from global customers in multiple languages through various channels, including email, chat, and voice. Collaborating with internal and external stakeholders, such as product managers and the marketing team, to address complaints and feedback related to websites, products, platforms, and services, etc. Maintaining a strong understanding of company products to effectively communicate with customers in their preferred language. Establishing and nurturing strong relationships with company partners and external stakeholders. Escalating any queries or unresolved issues to Level 2/Supervisors as directed by the operations management when they can not be resolved within standard procedures. What We Look For In You A Diploma in finance, customer service & relations, linguistics, crypto-related studies, or a related field. At least 1 years of experience in language-related roles, including translation, interpretation, or localization. Proficiency in both spoken and written language relevant to the job, along with a high level of English & Spanish language proficiency. Ability to work independently in a fast-paced environment and deliver multilingual support. Willingness to work according to a given schedule

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. What You’ll Be Doing Handling inquiries and issues from global customers in multiple languages through various channels, including email, chat, and voice. Collaborating with internal and external stakeholders, such as product managers and the marketing team, to address complaints and feedback related to websites, products, platforms, and services, etc. Maintaining a strong understanding of company products to effectively communicate with customers in their preferred language. Establishing and nurturing strong relationships with company partners and external stakeholders. Escalating any queries or unresolved issues to Level 2/Supervisors as directed by the operations management when they can not be resolved within standard procedures. What We Look For In You A Diploma in finance, customer service & relations, linguistics, crypto-related studies, or a related field. At least 1 years of experience in language-related roles, including translation, interpretation, or localization. Proficiency in both spoken and written language relevant to the job, along with a high level of English & French language proficiency. Ability to work independently in a fast-paced environment and deliver multilingual support. Willingness to work according to a given schedule

Razorpay is one of India’s leading full-stack financial technology companies, powering the way businesses move, manage, and grow money. Founded in 2014 by Harshil Mathur and Shashank Kumar with a simple vision - to simplify payments for Indian businesses - we’ve since grown into a fintech powerhouse driving India’s digital payment revolution. Razorpay powers millions of businesses with a smarter, scalable stack that goes beyond transactions to help them truly build and grow. From building AI-native agentic payments, to AI-assisted fraud detection and real-time risk intelligence to automated reconciliation, smart payouts, and predictive financial insights, we are embedding intelligence across our stack to make money movement faster, safer, and more efficient. In close collaboration with ecosystem partners - including banks, networks, regulators - we are pioneering industry-first solutions that are shaping the next era of fintech Across India, Singapore and Malaysia, our products span everything from seamless checkouts to payroll automation - powering a fintech ecosystem that’s redefining how money moves across Asia. Today, that ecosystem supports everyone from early-stage startups to some of India’s largest enterprises, enabling them to accept, process, and disburse payments at scale while expanding into new ways of managing money more efficiently. Our scale speaks volumes: Razorpay processes $180+ billion in annualized transactions, powering leading businesses like Airbnb, Facebook, WhatsApp, Airtel, CRED, BookmyShow, Zomato, Swiggy, Lenskart, Mirae Asset Capital markets, Indian Oil, National Pension Scheme - and over 100 of India’s unicorns. With strong roots in India and growing operations in Southeast Asia, we are shaping the next chapter of financial technology across the region. We are backed by global investors including GIC, Peak XV Partners (formerly Sequoia Capital India & SEA), Tiger Global, Ribbit Capital, Matrix Partners, MasterCard, and Salesforce V

About the Team The DoorDash Global Payroll Team is on a mission to deliver accurate, timely, and seamless payroll experiences that support our employees across North America and beyond. We operate at the intersection of Accounting, Equity, HR, Compensation, Legal, and Tax, which gives us a unique opportunity to create value across the organization. Our team plays a critical role in ensuring every employee is paid correctly and on time, while driving scalable, tech-forward payroll solutions. We’re in an exciting period of growth, working to build the framework to operate payroll at scale for one of the fastest-growing companies About the Role We are looking for a Senior Payroll Analyst who is ready to do more than run payroll. This is a role for someone who is energized by complexity, frustrated by manual work, and excited to help reimagine how payroll operates at scale. As a member of our North America Payroll Team, you will own end-to-end execution of US (and, ideally, Canadian) payroll processes, lead medium-to-high complexity initiatives, and partner with HRIS, Equity, Accounting, Tax, and our payroll vendors to build the next generation of our payroll function. If you are someone who has mastered traditional payroll and is now hungry to think like a product owner—writing requirements, partnering with engineers, and shaping the roadmap for how payroll gets done—this role is for you. You will operate with autonomy, and help set the bar for what a modern, tech-forward payroll team looks like. You will report to the NORAM Payroll Manager and serve as a key contributor on the team, with a runway to grow your scope and influence at DoorDash. You’re excited about this opportunity because you will… Own end-to-end execution of recurring US (and, where applicable, Canadian) payroll cycles with precision, including audits, reconciliations, variance analysis, and reporting. Lead payroll initiatives of moderate-to-high complexity from scoping through delivery—partnerin

About the Job: We are looking for a talented Senior. Solutions Engineer at LaunchDarkly, you will be a trusted technical advisor to our largest and most important Enterprise prospects and customers. This role is a critical part of the Enterprise sales strategy at LaunchDarkly, serving as a trusted technical advisor to sales working to both land new customers and expand existing customers. The ideal candidate will have deep expertise in supporting multiple verticals. An ideal candidate is curious, excels in active listening, quickly and effectively builds custom demos and solutions, and demonstrates profound technical expertise with a customer-centric focus. Responsibilities: Drive technical discovery, architecture design, and PoC implementation throughout the pre-sales lifecycle. Partner with Account Executives and Customer Success Managers to craft compelling technical value propositions. Deliver high-impact demonstrations, workshops, and proposals tailored to C-level and technical stakeholders. Cultivate trust and credibility with customers, identifying technical champions and positioning as a strategic advisor. Liaise between customers and internal Product and Engineering teams to relay feedback and influence product roadmap. Lead cross-regional technical initiatives and enhance SE tools, processes, and frameworks for global scalability. Mentor junior team members, foster technical excellence, and share industry best practices across the SE team. Maintain expert-level knowledge of LaunchDarkly’s platform, integrations, industry trends, and emerging technologies. Respond to RFPs, and manage technical environments to support enterprise sales motions. Translate complex client requirements into scalable, sustainable, and technically sound solutions. Represent LaunchDarkly at industry events and customer engagements through travel as needed. Qualifications: 8+ years of experience in a solutions engineering, sales engineering, or systems architecture customer-fac

At Qualia, we've built the leading B2B real estate technology that transforms the home buying and selling experience into a simple, secure, and enjoyable process. Our SMB and Enterprise products bring together users from across the real estate ecosystem---homebuyers and sellers, lenders, title and escrow agents, and real estate agents---onto a single shared digital closing platform, providing greater clarity and transparency to real estate transactions. Today, through our business customers across the country, millions of consumers use Qualia to close on homes every year. WHAT YOU'LL WORK ON Qualia is seeking an experienced Senior Product Manager to fuel the continued improvement of its products and growth of the business. In this role, you will be responsible for managing our data platforms and deploying agentic capabilities to our operational teams. RESPONSIBILITIES Lead with a product strategy that pursues inflecting key metrics of the business Leverage AI, both in your work and proposed product solutions, in a way that unlocks new tiers of opportunity Become an expert in the strategy of our customers, so that your work complements what they’re trying to achieve Collaborate closely with Engineering and Design to implement elegant and robust web products Enable product marketing, customer success, and sales to do their best work due to your partnership Write clear specifications that communicate problems, criteria, and context succinctly Use data to form and defend your position Make gut decisions with sound judgment when the occasion calls for that YOUR BACKGROUND THAT LIKELY MAKES YOU A MATCH You have 5+ years of experience building extraordinary software as a Product Manager Experience scoping, executing, and delivering products to market that had a measurable impact for your clients and company Analytical and strategic with a proven track record of using data to drive decisions Customer-obsessed with a love for enabling people to do their best work You s

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey – from service, to sales, to ecommerce. Powered by our own AI models, Fin resolves complex customer issues end-to-end across every channel, with minimal set-up and integration. Fin can also be combined with our natively integrated Intercom help desk for one single system that is designed to meet the needs of modern day support teams. Founded in 2011, Fin became one of the fastest growing companies and remains one of the largest private software companies in the world with nearly 30,000 global businesses using our products to transform their customer support. Driven by our core values, we push boundaries, build with speed and intensity, and relentlessly deliver incredible value to our customers. What's the opportunity? As a Senior CSM, you’ll partner with our largest and most complex customers to help them succeed in the new era of AI-driven customer service. You’ll work with C-suite leaders and their Support teams to guide them through their AI Agent transformation with Fin — from early project scoping and requirements gathering, to measurable adoption, to industry-best automation rates and business outcomes. This role is an opportunity to shape how the world’s leading companies deploy AI to transform their support operations and achieve strategic outcomes aligned to their business goals. What will I be doing? Develop trusted advisor relationships with customers (from c-suite stakeholders to