{"id":2098678,"url":"https://alion.io/job/expedition-technology-software-engineer-tssci-required-r135","title":"Software Engineer - TS/SCI Required - R135","company":{"id":3913166,"name":"Expedition Technology","domain":"expedition-technology.com","url":"https://alion.io/company/expedition-technology","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Gem","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Herndon, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":142000,"max_usd":259000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3287},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"AWS","optional":true},{"name":"CI/CD","optional":true},{"name":"Docker","optional":true},{"name":"GitLab","optional":true},{"name":"Kubernetes","optional":true},{"name":"Machine Learning","optional":true}],"status":"live","first_seen_at":"2026-09-22T14:37:06Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-19T16:58:23Z","board_verified":true,"closed_at":null,"days_open":27,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":27},"description":"Software Engineer - TS/SCI Required\nAre you a software engineer who thrives on building robust, scalable systems? Do you enjoy crafting clean, maintainable code that powers mission-critical environments? At Expedition Technology (EXP), we’re looking for a Software Engineer with a DevOps mindset to help us design and implement services that support verification, validation, testing, and evaluation workflows for the DoD and Intel communities.\nThis role is ideal for someone who is a software engineer first-someone who writes production-grade Python, understands modern software architecture, and can contribute across the stack. DevOps experience is a bonus, especially if you’ve worked with containerized deployments and CI/CD pipelines, but your primary focus will be building the services that run in our mission environments.\nWhat You’ll Do:\nDesign and implement Python-based services and internal tools to support mission workflows\nBuild scalable, maintainable, and testable software systems for verification and validation environments\nCollaborate across teams to establish best practices in software engineering, testing, and observability\nContribute to the design and evolution of mission-critical environments\nSupport deployment and automation efforts using containerization and CI/CD tools (bonus)\nMentor teammates and help grow engineering capabilities across the team\nWhat You Bring:\nU.S. Citizenship\nAn active TS/SCI security clearance\nBachelor’s degree in Computer Science, Electrical Engineering, or a related field\n5+ years of experience in software engineering with a strong foundation in Python\nAbility to write clean, modular, and well-tested code using modern software engineering practices\nSolid understanding of software architecture, design patterns, and system integration\nFamiliarity with containerization (e.g., Docker) and CI/CD tools (e.g., GitLab) is a plus\nExperience with Kubernetes is a bonus, but not required\nFamiliarity with cloud platforms (e.g., AWS) is helpful, but not the primary focus\nA collaborative mindset and a passion for engineering excellence\nWho is Expedition Technology?\nExpedition Technology (EXP) designs, develops, and delivers innovative solutions with national impact for the defense and intelligence communities. We use machine learning, artificial intelligence, and other advanced algorithms, platforms, and technologies to solve our customers' most complex, demanding and urgent C4ISR challenges. Our culture promotes individual growth and opportunity, prioritizes a collaborative team spirit, and invites the intellectually curious to solve challenging problems creatively. Headquarted in Northern Virginia's high-tech corrdor, EXP is a rapidly growing, privately held company that pushes the boundaries of what is possible every day.\nTo learn more about EXP and discover why we are an award-winning workplace, visit our web site and follow us on LinkedIn.\nInterested in joining our team? Let’s explore together.\nJoin Our Team and Enjoy Exceptional Benefits!\nExpedition Technology (EXP) offers a flexible, self-directed benefits package that is designed to fit your individual needs. Here’s a glimpse of the outstanding benefits you can enjoy when you join our team:\nCompany-paid medical, dental, and vision insurance\nGenerous Time Off: Enjoy 11 paid holidays, up to 34 days of PTO\n Robust 401(k) Plan: Benefit from up to a 12% company contribution, including a 3% safe harbor, 6% match, and up to 3% additional as a form of profit sharing.\n Student Loan Repayment: Take advantage of our unique option to reallocate a portion of your 401(k) match funds to repay student loans, helping you achieve financial freedom faster.\nPaid Parental Leave: Six weeks of paid leave for the primary caregiver and 2 weeks of paid leave for the secondary caregiver for you to bond with your new family member. \nTuition Reimbursement: Pursue further education with up to $5,250/year available to support your continuous learning and growth.\nReferral Bonus Program: Earn rewards for bringing talented individuals into our team.\nExclusive Entertainment Perks: Enjoy free tickets to sporting events, theater, concerts, and more, adding fun and excitement to your life.\nOnsite Amenities: Stay fit and healthy with our free, onsite fitness center, active workstations featuring treadmill and bike desks, and enjoy our onsite cafeteria with reduced-cost options.\n Inspiring Work Culture: Thrive in a collaborative, creative, and supportive culture where you are encouraged to push boundaries, take risks, and enjoy the rewards.\nJoin us and be part of a team that values your well-being and professional growth. Apply today and take the first step towards a fulfilling career with us!\nEXP is proud to be an Equal Opportunity Employer that believes a diverse range of talent creates an environment that fosters creativity and innovation. 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