{"id":4113730,"url":"https://alion.io/job/markon-solutions-expert-software-engineer","title":"Expert Software Engineer","company":{"id":3863685,"name":"Markon Solutions","domain":"markonsolutions.com","url":"https://alion.io/company/markon-solutions","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"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":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":140000,"max":185000,"currency":"USD","period":"year","gross":null,"usd_annual":185000},"salary_estimate":null,"experience_years_min":11,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Amazon EC2","optional":false},{"name":"Angular","optional":false},{"name":"AWS","optional":false},{"name":"CI/CD","optional":false},{"name":"Confluence","optional":false},{"name":"ElasticSearch","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Git","optional":false},{"name":"Java","optional":false},{"name":"Jenkins","optional":false},{"name":"Jira","optional":false},{"name":"Linux","optional":false},{"name":"Red Hat","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"Selenium","optional":false},{"name":"Spring Boot","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-11-11T23:53:32Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T23:53:32Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Description\nMarkon is seeking an experienced Expert Software Developer to support a mission-critical Intelligence Community customer in Chantilly, Virginia. This position will focus on modernizing legacy applications, developing scalable full stack solutions, and leveraging Amazon Web Services (AWS) to enhance enterprise capabilities supporting critical intelligence operations.\nResponsibilities\nDesign, develop, maintain, and modernize legacy software applications to improve system functionality, maintainability, and performance.\n\nDevelop and maintain full stack applications using Java, Spring Boot, Angular, and TypeScript.\n\nDesign, implement, and integrate RESTful APIs using Spring Boot to support enterprise applications and data exchange.\n\nLeverage Amazon Web Services (AWS) to develop, deploy, and maintain cloud-based applications and supporting infrastructure.\n\nDevelop custom scripts to automate application installation, configuration, and deployment within AWS EC2 instances.\n\nDesign and implement custom Extract, Transform, Load (ETL) methodologies to support data processing, transformation, and integration requirements.\n\nIntegrate and utilize Elasticsearch to support application search, indexing, and data retrieval capabilities.\n\nTranslate customer requirements and technical specifications into scalable, maintainable software solutions.\n\nDevelop and execute unit tests to validate application functionality, reliability, and performance.\n\nImplement and maintain automated testing frameworks, including Selenium, to improve software quality and deployment readiness.\n\nParticipate in peer code reviews, applying established software engineering standards and development best practices.\n\nCollaborate with internal and external engineering teams to troubleshoot complex technical challenges and deliver technically sound solutions.\n\nSupport software development activities within Agile and Scrum environments, including sprint planning, development, testing, and iterative delivery.\n\nUtilize Confluence, Jira, Git, and Jenkins to support development workflows, documentation, version control, and continuous integration activities.\n\nDevelop and maintain technical documentation, including application designs, implementation procedures, and system configuration information.\n\nProvide technical guidance and mentorship to junior software developers, promoting software engineering best practices and knowledge sharing.\n\nIndependently evaluate technical challenges, recommend solutions, and contribute to architectural and design decisions.\n\nCommunicate technical concepts, project progress, and engineering recommendations effectively to technical and nontechnical stakeholders.\n\nQualifications\nRequired:\nAn active TS/SCI security clearance with Full Scope Polygraph (FSP) is required to be considered.\n\nBachelor's degree and 11-15 years of relevant software development experience.\n\nStrong full stack development experience using Java, Spring Boot, Angular, and TypeScript, including RESTful API development.\n\nExperience developing and deploying applications within Amazon Web Services (AWS), including EC2 configuration and custom deployment scripting.\n\nExperience designing and implementing ETL processes and integrating applications with Elasticsearch.\n\nProficiency working in Red Hat Enterprise Linux (RHEL) command-line environments.\n\nExperience with Agile/Scrum methodologies, unit testing, peer code reviews, and automated testing tools such as Selenium.\n\nWorking knowledge of Confluence, Jira, Git, and Jenkins.\n\nStrong analytical, communication, and documentation skills, with the ability to translate customer requirements into effective technical solutions.\n\nDesired:\nExperience modernizing legacy applications and migrating capabilities to cloud environments.\n\nExperience supporting Intelligence Community or mission-critical government software development programs.\n\nFamiliarity with CI/CD automation, secure software development practices, and AWS architecture.\n\nExperience mentoring junior developers and contributing to technical design and architecture decisions.\n\nSalary Range\nUSD $140,000.00 - USD $185,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.Overview\nEager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.\nAt Markon, we don't just offer jobs - we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.\nHeadquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.\nMarkon values people and the tremendous impact each individual can make - which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters - bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.\nMarkon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.\nBenefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays","description_format":"text","description_chars":6573,"description_truncated":false,"requirements":{"experience_years_min":11,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Intelligence","IT Consulting & Digital Transformation","Facilities Management"],"lifecycle":[{"event":"open","at":"2026-11-11T23:53:32Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":25,"reasons":["conf:1","win:early","comp:brand"],"computed_at":"2026-11-12T00:55:55Z"},"pay":{"stated_usd_annual":185000,"is_top_pay":true},"html_url":"https://alion.io/job/markon-solutions-expert-software-engineer","json_url":"https://alion.io/job/markon-solutions-expert-software-engineer.json","meta":{"generated_at":"2026-11-12T00:55:55Z","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":2171,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-13T00:00:00Z"}},"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":3863685},"rest":"https://alion.io/mcp/rest/get_company?id=3863685"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmarkon-solutions-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%2Fmarkon-solutions-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%2Fmarkon-solutions-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/markon-solutions-expert-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmarkon-solutions-expert-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4113730}},{"tool":"search_jobs","arguments":{"company":"markonsolutions.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4113730},"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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