{"id":162513,"url":"https://alion.io/job/cmu-software-engineer","title":"Software Engineer","company":{"id":46403,"name":"Software Engineering Institute","domain":"sei.cmu.edu","url":"https://alion.io/company/sei-cmu","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":14,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":13,"computed_at":"2026-09-30T05:45:00Z"}},"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":["Pittsburgh, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":118000,"max_usd":218000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":2304},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"JavaScript","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-08-27T00:00:00Z","employer_posted_date":"2026-08-27","last_verified_at":"2026-09-30T11:30:20Z","board_verified":true,"closed_at":null,"days_open":35,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":35},"description":"What We Do\nThe Software Engineering Institute (SEI) advances the state of the art in software engineering and cybersecurity, serving as a national resource for the advancement of secure, reliable, and high-performing software systems. As a Federally Funded Research and Development Center (FFRDC) at Carnegie Mellon University, SEI partners with academia, the U.S. Department of War, other government agencies, and industry to improve the development, acquisition, and sustainment of software-intensive systems.\nOur mission is to help organizations acquire and operate software-reliant systems that are secure, reliable, sustainable, and mission-effective delivered on time and within budget.\nIf you are creative, curious, and motivated to solve complex technical challenges in support of national defense, we encourage you to apply.\nAbout the Role\nWe are seeking a Senior Software Engineer to support U.S. Department of War customers in acquiring and sustaining a mission-critical, software-based mission planning and readiness applications essential to national security operations.\nIn this role, you will provide software development support across the full software acquisition lifecycle, including architecture analysis, development oversight, risk reduction, integration, and long-term sustainment planning. You will work closely with Program Executive Offices (PEOs), Program Management Offices (PMOs), sustainment organizations, contractors, and other stakeholders to ensure delivered capabilities meet operational, maintainability, and long-term supportability requirements.\nThe ideal candidate combines deep, hands-on expertise in C++ and browser supported languages. Additionally, development experience supporting Army, Air Force, Navy and Space Force acquisition programs, legacy-dependent systems, and operational environments is key. You will integrate with technical teams, evaluate architectural tradeoffs, develop prototypes, analyze existing source code, and support customer engagements that inform acquisition and sustainment decisions. Join us in advancing the engineering of mission-critical systems that protect and support those who serve.\nWhat You’ll Do\nSupport DoW software acquisition and sustainment efforts in alignment with DoD 5000-series guidance, including architecture analysis, engineering, integration, testing, deployment, and sustainment planning\n\nProvide software development expertise for a DoW planning and readiness application supporting mission readiness\n\nAnalyze lifecycle artifacts associated with two or more planning applications and propose methods to combine them into a common baseline\n\nAdvise and develop prototype capability for government stakeholders on software design decisions, technical risks, modernization strategies, and tradeoffs associated with large, legacy-dependent systems\n\nLead software development efforts from concept through deployment, with an emphasis on C++ and browser supported languages like C#, Java, and Angular.\n\nDemonstrate software architecture expertise by developing and maintaining design artifacts such as data-flow diagrams, sequence diagrams, interface control definitions, and quality attribute specifications to support scalable, maintainable, and resilient solutions\n\nAnalyze existing source code, interfaces, and data flows to identify technical debt, sustainment risks, and modernization opportunities\n\nBuild prototypes and technical demonstrations to reduce risk, inform acquisition decisions, and mature emerging capabilities\n\nLead and mentor development teams, promoting disciplined engineering practices, continuous improvement, and mission focus\n\nSupport customer engagements such as technical interchange meetings (TIMs), design reviews, and acquisition milestone activities, providing clear, defensible technical input\n\nStay current on emerging technologies, software engineering best practices, and digital modernization initiatives relevant to sustainment and maintenance systems\n\nWho You Are\nAbility to obtain and maintain an active Department of War (DoW) security clearance; an existing SECRET or higher clearance is preferred\n\nExperience leading, architecting, or developing large-scale acquisition programs\n\nExperience with developing mission and safety critical embedded software applications\n\nExperience supporting major DoW acquisition organizations\n\nProven experience designing and implementing complex software architectures for mission-critical or sustainment-focused systems based on new and existing system and software requirements with varying levels of uncertainty\n\nProven experience in developing new and maintaining existing software documentation artifacts with emphasis on views and models across the full Software Development Lifecycle through modern tools and approaches\n\nProven experience in structured verification and validation activities in planning and execution of system and software level test activities\n\nDemonstrated ability to identify and balance architectural drivers, tradeoffs, extensibility, and long-term maintainability\n\nExperience across the full software development lifecycle, including use of static analysis tools and associated coding standards to improve quality and security\n\nDemonstrated success leading technical teams and engaging credibly with government and contractor stakeholders\n\nExcellent analytical, problem-solving, and communication skills, with the ability to convey complex technical concepts to senior government decision-makers\n\nWillingness to work directly with U.S. military and government customers in mission-focused environments\n\nAbility to travel up to 25% to SEI offices, sponsor sites, conferences, and offsite meetings\n\nYou have a BS in Computer Science, Electrical Engineering, or related disciple with eight (8) years of experience; OR MS in the same fields with five (5) years of experience; OR a PhD in the same fields with two (2) years of experience\n\nWhy Work Here?\nOur benefits philosophy encompasses three driving priorities: choice, control, and well-being. Through Carnegie Mellon University, SEI offers a wide range of competitive employee benefits, including comprehensive health insurance, tuition benefits, generous time off, and a robust retirement savings policy to name a few.\nJoin a world-class organization that makes a meaningful impact on government software.\n\nCollaborate with experts and work with cutting-edge technologies to solve challenging problems for the government and the nation.\n\nReceive an 8% monthly contribution to your retirement plan with no personal contribution required.\n\nAccess tuition benefits for yourself and your dependent children.\n\nTake advantage of paid parental and military leave.\n\nQualify for relocation assistance and many other benefits.\n\nLocation\nPittsburgh, PAJob Function\nSoftware/Applications Development/EngineeringPosition Type\nStaff - RegularFull time/Part time\nFull timePay Basis\nSalaryMore Information:\nPlease visit “Why Carnegie Mellon ” to learn more about becoming part of an institution inspiring innovations that change the world.\n\nClick here to view a listing of employee benefits\n\nCarnegie Mellon University is an Equal Opportunity Employer/Disability/Veteran.\n\nStatement of Assurance","description_format":"text","description_chars":7232,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Relocation assistance","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Cybersecurity","Education","Higher Education"],"lifecycle":[{"event":"open","at":"2026-08-27T00:00:00Z"}],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.371,"p_room":0.35,"age_days":34,"expected_fill_days":13,"reasons":["conf:3","stale_co","win:tail"],"computed_at":"2026-09-30T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/cmu-software-engineer","json_url":"https://alion.io/job/cmu-software-engineer.json","meta":{"generated_at":"2026-10-01T04:02:52Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3306,"day_limit":5000,"remaining_today":1694,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}