{"id":1062130,"url":"https://alion.io/job/mantech-expert-software-engineer","title":"Expert Software Engineer","company":{"id":179527,"name":"ManTech","domain":"mantech.com","url":"https://alion.io/company/mantech","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":75,"ghost_share":0,"stale_share":0,"repost_share":0.04,"time_to_fill_p50_days":15,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"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":{"min":179300,"max":318400,"currency":"USD","period":"year","gross":null,"usd_annual":318400},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ElasticSearch","optional":false},{"name":"Linux","optional":false},{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"SQL","optional":false},{"name":"AWS","optional":true},{"name":"Docker","optional":true},{"name":"JavaScript","optional":true},{"name":"Kubernetes","optional":true},{"name":"Python","optional":true},{"name":"Vue.js","optional":true}],"status":"live","first_seen_at":"2026-09-19T09:30:58Z","employer_posted_date":"2026-09-19","last_verified_at":"2026-11-09T08:03:48Z","board_verified":true,"closed_at":null,"days_open":51,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":51},"description":"Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!\nMANTECH seeks a motivated, career and customer-oriented Expert Software Engineer to join our team in Herndon VA. This role supports the development and enhancement of mission-critical applications to strenghten our nation's cyber security.\nResponsibilities include, but are not limited to:\nDevelop new features and enhancements to web applications that allow users to enter, search, and retrieve information\nEvaluate and integrate data sources as needed; be able to use various data sources and correlate data to answer specific questions\nEffectively apply good judgement and leadership within project scope and has experience mentoring two to three more junior developers\nCollaborate with team members regularly to discuss project status, dependencies, or project blockers so that any issues can be addressed early on\nEffectively communicate with fellow developers and occasionally with end-users\nManage the development life cycle and deployment schedule and process\nSupply regular reports to stakeholder components\nMinimum Qualifications:\nHigh School Diploma and 15+ years programming experience\nExperience with Node.js\nExperience with SQL/PostgreSQL databases and writing complex queries\nExperience creating API endpoints or integrating with other teams’ endpoints to exchange data in a fully authenticated and audited way\nExperience with Elasticsearch data management\nExperience working in a Linux-based development environment\nPreferred Qualifications:\nBachelor’s Degree in Computer Science, Information Technology, or similar technical field\n3+ years of recent experience coding in python\nExperience using Vue.js\nExperience with AWS cloud technologies, Kubernetes, and Docker containers\nExperience with the Assessment and Authorization (A&A) process\nClearance Requirements: Active TS/SCI with polygraph clearance is required\nPhysical Requirements: Must be able to remain in a stationary position 50% of the time\nThe projected compensation range for this position is $179,300.00-$318,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.\nMANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.\nIf you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.","description_format":"text","description_chars":3540,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":true},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Life insurance","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Cybersecurity","Government"],"lifecycle":[{"event":"open","at":"2026-09-19T09:30:58Z"}],"visa":[],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.633,"p_room":0.28,"age_days":50,"expected_fill_days":15,"reasons":["conf:2","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-09T06:03:00Z"},"pay":{"stated_usd_annual":318400,"is_top_pay":true},"html_url":"https://alion.io/job/mantech-expert-software-engineer","json_url":"https://alion.io/job/mantech-expert-software-engineer.json","meta":{"generated_at":"2026-11-09T10:23:33Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":11027,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":179527},"rest":"https://alion.io/mcp/rest/get_company?id=179527"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmantech-expert-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmantech-expert-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmantech-expert-software-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mantech-expert-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmantech-expert-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1062130}},{"tool":"search_jobs","arguments":{"company":"mantech.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1062130},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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