{"id":3183726,"url":"https://alion.io/job/l3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator","title":"Sr. Associate, Cyber Infrastructure Systems Engineer - Systems Administrator","company":{"id":177017,"name":"L3Harris Technologies","domain":"l3harris.com","url":"https://alion.io/company/l3harris-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":100,"open_postings":28,"ghost_share":0,"stale_share":0,"repost_share":0.107,"time_to_fill_p50_days":19,"computed_at":"2026-10-29T05:49:05Z"}},"role":"DevOps","role_family":"DevOps","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":["Colorado Springs, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":70500,"max":130500,"currency":"USD","period":"year","gross":null,"usd_annual":130500},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Docker","optional":false},{"name":"KVM","optional":false},{"name":"Linux","optional":false},{"name":"OpenShift","optional":false},{"name":"Red Hat","optional":false},{"name":"VMWare","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-10-14T07:00:00Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-29T07:29:58Z","board_verified":true,"closed_at":null,"days_open":15,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":15},"description":"Job Title:Sr. Associate, Cyber Infrastructure Systems Engineer -System Administration\nJob Code: 44433\nJob Location: Colorado Springs, CO\nJob Schedule: 5/8 - Employees work 8 hours per day - 5 days a week\nJob Description:\nWe are seeking a skilled and experienced Cyber Infrastructure Systems Engineer (CISE) to join our Colorado Springs, CO team. This role requires an experience system administrator who will be responsible for the administration and maintenance of Windows-based servers and workstations across a DoD cleared enterprise environment. Duties include managing patching activities, monitoring system performance, and implementing system hardening measures to strengthen security, ensure compliance with organizational standards, and maintain operational reliability. The position also supports ongoing troubleshooting, vulnerability remediation, and continuous improvement of system configurations and processes.\nEssential Functions:\nAdminister, maintain, and support Windows-based servers and workstations within a cleared enterprise or mission-critical DoD environment.\nManage the deployment of operating system patches, security updates, and hotfixes in accordance with approved maintenance schedules and security requirements.\nImplement and sustain system hardening measures using applicable DoD security standards, STIGs, and organizational cybersecurity policies.\nPerform vulnerability identification and remediation activities to support compliance with RMF controls, POA&M tracking, and audit readiness efforts.\nMonitor system performance, availability, and operational health to ensure reliability and continuity of mission systems.\nTroubleshoot and resolve hardware, software, operating system, and access-related issues while adhering to established security procedures.\nMaintain accurate system configurations, change records, and technical documentation to support configuration management and compliance inspections.\nCoordinate with cybersecurity, network, and program teams to support accreditation activities, incident response, and secure system operations in classified or controlled environments.\nQualifications:\nBachelor’s Degree and a minimum of 2 years of prior related experience. Graduate Degree or equivalent with 0 to 2 years of prior related experience. In lieu of a degree, minimum of 6 years of prior related experience. \nSecret Clearance\nDoD 8570.01-M IAT Level 2 Required Professional Certifications: CCNA- Security, Security+ CE, or higher certification'\nPreferred Additional Skills:\nExperience serving as a DoD COMSEC Manager or supporting COMSEC account management, including handling, safeguarding, inventorying, and controlling cryptographic equipment and keying material in accordance with applicable DoD policies and procedures.\nExperience administering and supporting Red Hat Enterprise Linux (RHEL) systems in a DoD, federal, or other regulated environment, including patching, system hardening, user administration, and troubleshooting\nUtilizing virtualization technologies such as KVM, VMware, vSphere/vCenter, and microservices/containers (e.g., OpenShift, Docker) to enhance system functionality and efficiency\nIn compliance with pay transparency requirements, the salary range for this role in Colorado state is $70,500-$130,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.\nThe application window for this position will close on 11/10/2026.","description_format":"text","description_chars":3901,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Education assistance","Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Military Satellites","Military Communication","Electronic Warfare"],"lifecycle":[{"event":"open","at":"2026-10-23T22:31:05Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 5","filings_12m":5,"filings_prev_12m":7,"green_card_filings_12m":0,"median_offered_wage_usd":107500,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":3}],"liveness":{"score":64,"band":"ok","label":"Likely open","p_open":1,"p_active":0.851,"p_room":0.75,"age_days":14,"expected_fill_days":19,"reasons":["conf:3","velocity","win:late","comp:brand"],"computed_at":"2026-10-29T05:49:05Z"},"pay":{"stated_usd_annual":130500,"is_top_pay":false},"html_url":"https://alion.io/job/l3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator","json_url":"https://alion.io/job/l3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator.json","meta":{"generated_at":"2026-10-29T11:30:37Z","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":17499,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"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":177017},"rest":"https://alion.io/mcp/rest/get_company?id=177017"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fl3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator"},{"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%2Fl3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator"},{"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%2Fl3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator"},{"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/l3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fl3harris-technologies-sr-associate-cyber-infrastructure-systems-engineer-systems-administrator"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3183726}},{"tool":"search_jobs","arguments":{"company":"l3harris.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3183726},"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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