Software Engineer, Senior
$86.8k - $198kBooz Allen Hamilton
Senior Software Engineer Overview We’re looking for a passionate, full‑stack software engineer to work with a fast‑paced, highly collaborative team building and launching capability for enterprise web‑based systems in the cybersecurity field. You’ll have the opportunity to work on automation of nation‑level, mission‑critical security processes, workflows, and sensor data in risk management, compliance, vulnerability management, and continuous monitoring. Responsibilities Break down customer requirements and design solutions to complex business rules. Develop robust, secure, performant, production‑grade features; test system functionality and document it. Modernize and refactor traditional web application components using web technologies, configuration management, software, and data. Collaborate with analysts and engineers to build, test, and operate system capabilities. Work independently on features while collaborating with the team for code reviews and problem solving. Qualifications 5+ years of experience with requirements, development, and testing of complex web application features. 5+ years of experience with object‑oriented programming such as C# or Java. 3+ years of experience with high‑scale relational databases in production such as SQL Server or PostgreSQL. Experience with Cloud, Containers, System Administration (AWS or Azure), Docker or Kubernetes, and Windows Server. Knowledge of web technologies, applications, software systems and networks, and software security. Secret clearance (required). Bachelor’s degree (required). Nice to Have Experience with C#, .NET Core, Web API, IIS, MVC, LINQ or Entity Framework. Experience with CI/CD tools such as Jenkins or Github Actions. Experience with scripting languages such as PowerShell or Python. Experience with pub/sub tools such as RabbitMQ or Kafka. Experience modernizing software such as migration to React or Vue. Experience migrating traditional web applications to Cloud (Azure or AWS). Top Secret clearance. Master’s degree. DoD 8570 IAT II certification (e.g., Security+). Clearance Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. Secret clearance is required. Compensation The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD). Salary is determined by factors such as location, education, skills, competencies and experience, as well as contract‑specific affordability and organizational requirements. Benefits Health, life, disability, financial, and retirement benefits; paid leave; professional development; tuition assistance; work‑life programs; dependent care; and other total well‑being programs. Equal Opportunity All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law. #J-18808-Ljbffr
$150k - $190k
...A tech-driven space solutions company is seeking a Senior Ground Software Engineer in Arlington, VA. The role involves developing modular and secure ground software systems for SAR satellite operations, requiring extensive experience in web services, Kubernetes, and Python...SeniorFlexible hours- ...challenge. At Antithesis, we run entire software systems inside a deterministic simulation... ...Antithesis is the Fuzzer, our autonomous search engine for bugs and one of the most technically... ...without ever letting up. As a Senior Engineer on the Autonomous Search team, you...SeniorWork at office
- ...Software Engineer TLA is seeking a Software Engineer to design, develop, and integrate secure computing environments that support critical mission objectives. In this role, you'll contribute to the full software lifecycle—from architecture and development to testing...Senior
$150k - $200k
...Senior Software Engineer Falls Church, VA, United States Job Overview Experience: Senior Level Salary: $150,000 - $200,000 per year Job Details Some of the tech and languages they use: Nix (for builds and infrastructure) C/C++ and Rust for kernel and systems programming...SeniorWork at office- ...transitioning from startup execution to a disciplined, enterprise‑ready engineering organization, and we are building the team that will take us... ...reliably across complex enterprise environments. The Role Senior Software Engineers on the Integrations team own the design and...Senior
- ...TLA is seeking a Software Engineer to design, develop, and integrate secure computing environments that support critical mission objectives. In this role, you'll contribute to the full software lifecycle-from architecture and development to testing and deployment-across...Senior
$136k - $190k
# Software Engineer, SeniorFreddie MacBe an Early ApplicantFull TimeseniorMcLean, Virginia, USPosted Today## Role OverviewFreddie Mac is hiring a Software Engineer, Senior. This is a full-time role in McLean. Part of Freddie Mac's Data Science hiring, posted today. applications...SeniorFull timeLocal area- ..., scalable, modular, and API-centric Provide software design recommendations to the Program Manager and Chief Software Engineer Evaluate operational feasibility by analyzing... ...Management Information Systems, or related STEM field Senior-level experience deploying microservices into...SeniorContract workTemporary work
- ...Overview Software Engineer Linux Rust Satellite Systems gRPC We are looking for a skilled Software Engineer with Rust experience to join our Sat OS team, which is responsible for developing the high-level operating system for our spacecraft. You will be instrumental in...SeniorWork at office3 days per week
$140k - $215k
Senior Software Engineer - Tysons, VA Experience: Senior Level Salary: $140,000 - $215,000 per year Job Details Computer Science degree strongly preferred Willingness to do a code exercise as an initial step of the hiring process Willingness to work onsite 5 days...Senior$139k - $180k
...Senior Software Engineer Location: Arlington, Virginia, United States Compensation: $139,000 - 180,000 USD per year About The Role The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security....SeniorFull timeLocal areaRemote work$129k - $193k
...country. Join an organization where your work contributes to a greater purpose. Position Overview Freddie Mac is seeking a Senior Software Engineer to execute for one or more agile delivery teams. This role is for an experienced engineer who can independently drive...SeniorWork at officeLocal area- ...Services to Federal and State Agencies supporting the US Government Defense, Intelligence and Aerospace sectors. Job Overview The Software Engineer will Independently design and engineer new software products or major enhancement to existing software in support of the US...SeniorContract workRelocation
- We are seeking a Senior Software Engineer to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We're looking for the best and the brightest to join us in...SeniorRemote work
- ...Developer to join our Services team, which works directly with U.S. Government customers to provide a comprehensive set of system/software engineering and information technology services to maintain, sustain, enhance, and improve/modernize a Program of Record for all-source...Senior
$157.3k - $215.1k
...Senior Software Engineer At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of...Senior- ...external technology communities, and mentoring other members of the engineering community Collaborate with digital product managers, and... ...Qualifications: Bachelor’s Degree At least 4 years of experience in software engineering (internship experience does not apply) Preferred...SeniorFull timePart timeInternshipLocal area
- ...Senior Software Engineer Astor & Sanders Corporation (Astor), an award‑winning IT solutions provider headquartered in McLean, VA, is seeking a Senior Software Engineer. This is a full‑time position and is 100% remote. Roles and Responsibilities The Software Engineer...SeniorFull timeRemote work
- ...Software Engineer, Senior Are you looking for more than just a seat on a contract? Are you tired of big-box defense contractors where your contributions get lost in layers of bureaucracy? At Skyline Scientific, your skills will shape the future. Skyline Scientific...SeniorContract workFor contractorsRelocation package
$134k - $184k
...STR is hiring experienced Senior Software Engineers to join our multidisciplinary cyber/networking team committed to developing cutting-edge technologies that have an immediate and significant impact on our national security. Our team innovates communications technology...SeniorFull timeLocal areaImmediate startNight shift$200k - $287.5k
...results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Senior Software Engineer, Snowflake Natsec Running Snowflake in public sectors in different countries and regions and across varied industry verticals...SeniorContract workFlexible hours- ...Overview As a Senior Software Engineer you will work with a team of full-stack developers that work on all server-side aspects of smart home security. Our mandate is broad and includes processing security events, provisioning equipment, monitoring station signaling, testing...SeniorWork experience placementCasual workWork at officeImmediate start
$129k - $193k
...your work contributes to a greater purpose. Position Overview: Join our Enterprise Business Technology team as a Senior Software Engineer , where you'll lead the development of Corporate Communications and Marketing technology solutions. You'll design and deliver...SeniorFull timeWork experience placementWork at officeLocal area- ...services and modern web applications, partnering with tech leads, senior engineers, and product managers Build and maintain AWS Lambda and API... ...Basic Qualifications Bachelor’s Degree At least 6 years of software engineering experience 5+ years of experience building...SeniorContract work
- ...Position Summary Visual Connections, LLC is seeking a Senior Software Engineer for our McLean, VA team. The candidate should have experience in .NET and SQL development, technical analysis, and unit testing, along with the required education and work experience. Additional...SeniorPermanent employmentTemporary workWork experience placementWork at officeLocal area
- ...g., JavaScript/TypeScript, Python, Java, React, Node.js). Qualifications Bachelor's degree in Computer Science, Computer Engineering or related degree or 4-5 years of proven experience in related fields. Proficiency in understanding cloud-based computing services...SeniorFor contractorsWork at office
$160k - $180k
...Position Type: Full Time, Salary Range: $160,000.00 - $180,000.00 Salary/year, Travel Percentage: None. TIAG is now hiring a Lead Software Developer to lead the design and development of complex software solutions for our program at the Office of Naval Research in Arlington...SeniorFull timeFor contractorsFor subcontractorInterim roleWork at officeLocal areaImmediate start- ...Summary Senior Software Engineer – Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Join Chenega Military, Intelligence & Operations Support (MIOS) and contribute to the design and development of scalable...Senior
$120k - $150k
...Software Engineer, Senior Location: US-VA-McLean Overview AMERICAN SYSTEMS, a 100% employee‑owned federal contractor, is seeking a Senior Software Engineer to help design, build, integrate, and maintain secure, modern software solutions in a complex federal environment...SeniorFor contractors$86.8k - $198k
...CANDIDATE JOURNEY Discover what to expect during your journey as a candidate with us. We're looking for a passionate Senior Full-Stack Software Engineer to work with a fast-paced, highly collaborative software development team building and launching capability for Enterprise...SeniorFull timeContract workPart timeLocal areaRemote work
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