{"id":4080664,"url":"https://alion.io/job/jt4llc-software-engineer-2","title":"Software Engineer","company":{"id":2157048,"name":"Jt4Llc","domain":"jt4llc.com","url":"https://alion.io/company/jt4llc","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Colorado Springs, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":103000,"max":null,"currency":"USD","period":"year","gross":null,"usd_annual":103000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"Go","optional":false},{"name":"JavaScript","optional":false},{"name":"MS SQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"TimescaleDB","optional":false},{"name":"TypeScript","optional":false},{"name":"WebSockets","optional":false},{"name":"CI/CD","optional":true},{"name":"Linux","optional":true},{"name":"Node JS","optional":true},{"name":"Plotly.js","optional":true},{"name":"Ubuntu","optional":true},{"name":"Unix","optional":true},{"name":"Windows","optional":true}],"status":"live","first_seen_at":"2026-10-20T21:04:53Z","employer_posted_date":null,"last_verified_at":"2026-10-20T21:04:53Z","board_verified":false,"closed_at":null,"days_open":21,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":21},"description":"Company Profile\n\nJT4, LLC provides engineering and technical support to multiple western test ranges for the U.S. Air Force and Navy under the Joint Range Technical Services Contract, better known as J-Tech II. JT4 develops and maintains realistic, integrated test and training environments and prepares our nation's war-fighting aircraft, weapons systems, and aircrews for today's missions and tomorrow's global challenges. For work specific to Colorado Springs, JT4 supports the National Space Test and Training Complex (NSTTC) - Electronic Domain portion of the range, predominantly consisting of Electronic Warfare (EW) and Orbital Warfare (OW) range environments. \n\nJob Summary -- Essential Functions/Duties\n\nPlans, conducts, and technically implements software engineering projects or major phases of software engineering projects. Duties focus on software development, testing, deployment, integration, documentation and maintenance in the support of customer requirements.\nBased on broad objectives from management and customers, independently analyzes, evaluates and integrates solutions to complex technical problems. Implements defined design within customer specifications, quality standards, schedule and funding limitations.\nAssists in formulating engineering project requirements to meet the customer's needs and deadlines. Follows detailed implementation plans to execute and meet project requirements.\nProvides timeline estimates for completing engineering projects, and reports to the Engineering & Integration Manager, Supervisor, and/or the Lead Software Engineer on the project's status.\nWorks closely with project management, hardware engineering, communications engineering, configuration management, quality assurance and operations support to ensure proper integration of software engineering with the other disciplines involved in the project.\nDesigns, implements, tests, and deploys software projects.\nReviews modifications to system software to ensure compatibility with existing hardware and software.\nAbility to solicit and document detailed product requirements; writes technical data packages in support of software development or modifications.\nAttends and facilitates meetings as required.\nPerforms other related duties as required.\n\nRequired Skills/knowledge/Abilities\n\nAbility to program in Golang, C#, and JavaScript/TypeScript \nExperience with Web Applications and Services toolsets (React, JavaScript/TypeScript, ASP).\nExperience with database development (MSSQL, PostgreSQL, TimescaleDB).\nExperience with Docker and containerization \nExperience with message broker technologies such as NATS\nExperience using WebSockets.\nExperience using, building, and maintaining RESTful APIs.\nExperience with SNMP.\nExperience with UDP/TCP packet processing.\nExperience with Git and Github.\nAbility to deploy and troubleshoot network applications and systems.\n\nDESIRED SKILLS/KNOWLEDGE/ABILITIES:\n\nExperience with Satellite Communications (SATCOM) and Radio Frequency (RF) systems\nExperience with Digital Signal Processing (DSP) programming.\nExperience with developing, using, and deploying software on Linux servers (Specifically Ubuntu)\nExperience with NodeJS.\nExperience with data visualization libraries such as Plotly.js.\nExperience with data serialization using JSON and Protobuf.\nExperience with building and maintaining CI/CD pipelines.\nKnowledge and understanding of formal software development standards and software development processes to include the Software Capability Maturity Model.\nKnowledge and understanding of industry standard and government application security requirements.\nAbility to effectively interact with system users.\nExperience designing Windows and Linux applications and graphical user interfaces.\nAbility to perform system administration activities in Windows, Unix, and Linux operating system environments.\nUnderstanding of network switches and routers.\n\nRequirements -- Education, Technical, and Work Experience\n\nA Bachelor of Science in engineering from an ABET-accredited academic institution and eight years of related engineering experience, or an accredited Master of Science in engineering and a minimum of six years of related engineering experience, or an accredited doctorate degree in engineering and a minimum of four years of related engineering experience are required for this position.\n\nLicenses or Certifications\nMust obtain and maintain CompTIA, Security + Certification.\nMust possess a valid Colorado driver's license. \nAbility to obtain and maintain a Government Security Clearance.\n\nIn addition, a Software Engineer IV must possess the following qualifications: \nComprehensive knowledge of concepts, principles, and practices of engineering to provide consultative services on development programs and in the design and development of systems and components \nKnowledge and skill sufficient to apply the latest developments in engineering to solve complex problems in the specialty area \nWorking knowledge of computer systems and computer-based engineering tools \nWell-developed leadership skills \nAbility to investigate, troubleshoot, and design solutions to problems from a broad prospective \nExcellent communication and analytical skills\nPlanning/organizational skills and the ability to work under deadlines\n\nSalary\n\nThe expected salary range for this position is 103K to 164K annually.\n\nNote: The salary range offered for this position is a good faith description of the expected salary range this role will pay. JT4 considers factors such as (but not limited to) responsibilities of the position, candidate's work experience, education/training, key skills, internal peer equity, as well as market/business considerations when extending an offer.\n\nBENEFITS\nMedical, Dental, Vision Insurance\nBenefits Active on Day 1\nLife Insurance\nHealth Savings Accounts/FSA's\nDisability Insurance\nPaid Time Off\n401(k) Plan Options with Employer Match\nJT4 will match 50%, up to an 8% contribution\n100% Immediate Vesting\nTuition Reimbursement\n\nWe will be applicants through January 2027\n\nOther Responsibilities\n\nEach employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to their job.\n\nWorking Conditions\n\nWork is performed in a typical office environment with no unusual hazards. Occasional lifting (up to 20 pounds), constant sitting with occasional use of computer terminal, constant use of sight abilities while reviewing documents, constant use of speech/hearing abilities for communication, and constant mental alertness are required.\n\nTravel to remote company work locations may be required.\n\nDisclaimer\n\nThe above statements are intended to describe the general nature and level of work being performed by personnel assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills required of persons so classified.\n\nTasking is in support of a Federal Government Contract that requires U.S. citizenship. Some jobs may require a candidate to be eligible for a government security clearance, state-issued driver's license, or other licenses/certifications, and the inability to obtain and maintain the required clearance, license, or certification may affect an employee's ability to maintain employment.","description_format":"text","description_chars":7380,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":["Equity","Life insurance","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-11-11T16:52:35Z"}],"visa":[],"liveness":{"score":50,"band":"ok","label":"Likely open","p_open":0.85,"p_active":0.788,"p_room":0.75,"age_days":21,"expected_fill_days":25,"reasons":["seen:21","win:late"],"computed_at":"2026-11-11T18:47:43Z"},"pay":{"stated_usd_annual":103000,"is_top_pay":false},"html_url":"https://alion.io/job/jt4llc-software-engineer-2","json_url":"https://alion.io/job/jt4llc-software-engineer-2.json","meta":{"generated_at":"2026-11-11T18:47:43Z","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":36218,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"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":2157048},"rest":"https://alion.io/mcp/rest/get_company?id=2157048"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjt4llc-software-engineer-2"},{"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%2Fjt4llc-software-engineer-2"},{"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%2Fjt4llc-software-engineer-2"},{"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/jt4llc-software-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjt4llc-software-engineer-2"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4080664}},{"tool":"search_jobs","arguments":{"company":"jt4llc.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4080664},"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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