{"id":3242595,"url":"https://alion.io/job/s3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering","title":"Systems Engineer I (Full-Time, On-Site) - S3I Engineering","company":{"id":4419880,"name":"S3I Engineering","domain":"s3iengineering.com","url":"https://alion.io/company/s3iengineering","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"JazzHR","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lexington Park, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":90000,"max":130000,"currency":"USD","period":"year","gross":null,"usd_annual":130000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Git","optional":false},{"name":"Linux","optional":false}],"status":"live","first_seen_at":"2026-10-25T17:20:27Z","employer_posted_date":"2026-10-25","last_verified_at":"2026-10-27T15:54:04Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"S3I Engineering provides specialty engineering services, systems integration, and operational support to US Government agencies. Our technical expertise covers multiple facets of the Software, Systems, Cyber, and Hardware Engineering disciplines. Our engineers have expert knowledge of the critical mission management systems and their deployment on various DOD, DHS, and other platforms.\nS3I is currently looking for entry and mid-level Systems Engineers. You will be working with cutting-edge technology to test complex mission management systems and their sensors. From testing capabilities to optimizing performance and reliability, your expertise will play a pivotal role in ensuring mission success. If you love to solve hard complex problems and are willing to embrace the challenge, embark on a career where every day brings new opportunities to push the boundaries of what is possible. Join us and be a part of shaping the future.\nJob Title: Systems Engineer I\nWork Schedule: M-F, 8AM-5PM, Flexible\nJob Classification: Exempt\nPrimary Location: Lexington Park, MD\nTravel: 12-18 weeks per year\nSalary Range: $90,000 to $130,000 depending on experience and skill set\nPosition Description: Systems Engineer I\nPosition Summary\nThe Systems Engineer I supports the development, integration, testing, and analysis of mission systems and sensors deployed across DoD platforms. This role focuses on troubleshooting, system configuration, testing execution, and technical documentation within structured engineering processes. This work includes laboratory and field test activities associated with complex sensor and mission systems.\nKey Responsibilities\nAssist in the installation, configuration, and testing of mission systems with related sensors and other integrated software within government labs and aircraft environments.\nConduct basic troubleshooting using Linux command-line tools and established diagnostic procedures.\nConfigure test bench systems to support validation of software requirements and system behavior.\nSupport reproduction of system anomalies reported from fielded systems and assist in documenting root cause indicators.\nParticipate in design reviews under supervision, offering technical observations aligned with requirements derivation.\nPrepare field test reports, summary documents, and structured notes for senior engineers and government personnel.\nFollow DoD and DCSA cybersecurity practices during configuration, testing, and system interaction.\nProvide dependable and professional support to government stakeholders and partner organizations.\nSupport tasking outside of normal business hours (Travel to support tasking approximately 12-18 weeks annually\nRequired Qualifications\nBachelor of Science in Engineering, Computer Science, Computer Hardware, Mathematics, Physics, or related technical field; or equivalent experience.\nFoundational experience in Linux-based troubleshooting and system analysis across separate interdependent projects.\nFamiliarity with constructing or configuring basic computer systems in a Linux environment with multiple interdependent services or projects.\nAbility to obtain DoD 8570/8140 compliance by certification or education within 6 months of starting.\nStrong organizational and communication skills. \nThe ability to work within dynamic test environments across organizations.\nUS Citizenship and eligibility for a TS/SCI clearance.\nAbility to access government facilities and travel between office and government sites as required.\nDesired Qualifications\nFamiliarity with mission systems or sensor technologies such as EO/IR, Radar, SIGINT.\nExposure to DoD cloud environments including IL5 or higher.\nBasic experience with software configuration management tools such as Git.\nPrevious experience with Minotaur systems is strongly desired.\nPhysical Requirements\nAbility to lift and carry approximately 40 lbs.\nAbility to perform work in confined spaces during system testing.\nAbility to access government locations, facilities, and vessels.\nS3I Engineering, LLC is a small business supporting the US Navy. S3I offers a generous benefits package including Medical and Dental benefits, Holiday and Paid Leave, 401K with Matching, and a Profit-Sharing Plan. S3I Employee compensation is highly competitive and commensurate with experience. If you have any of these skills, we encourage you to apply!\nEEO\nWomen, minorities, individuals with disabilities, and Veterans are encouraged to apply. S3I Engineering is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected Veteran status, or disability status.\nS3I will provide a reasonable accommodation to individuals with disabilities and disabled Veterans who need assistance to apply.","description_format":"text","description_chars":4865,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["401k plan"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-25T17:20:27Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":24,"reasons":["conf:0","win:early","comp:junior"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":130000,"is_top_pay":true},"html_url":"https://alion.io/job/s3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering","json_url":"https://alion.io/job/s3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering.json","meta":{"generated_at":"2026-10-27T19:52:50Z","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":10705,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":4419880},"rest":"https://alion.io/mcp/rest/get_company?id=4419880"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fs3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fs3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fs3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering"},{"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/s3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fs3iengineering-systems-engineer-i-full-time-on-site-s3i-engineering"}]}