{"id":3654851,"url":"https://alion.io/job/mantech-network-systems-administrator","title":"Network Systems Administrator","company":{"id":179527,"name":"ManTech","domain":"mantech.com","url":"https://alion.io/company/mantech","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":75,"ghost_share":0,"stale_share":0,"repost_share":0.04,"time_to_fill_p50_days":15,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Networking","role_family":"Networking","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["El Segundo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":71400,"max":118700,"currency":"USD","period":"year","gross":null,"usd_annual":118700},"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Windows","optional":false},{"name":"Windows Server","optional":true}],"status":"live","first_seen_at":"2026-11-03T01:21:43Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-07T09:57:13Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!\nMANTECH seeks a motivated, career, and customer-oriented Network System Administrator (NSA) - I to join our team in El Segundo, CA.\nYou will provide day-to-day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities supporting SSC Directorates and/or AFSPC Operational Units in a full-time, on-site environment.\nResponsibilities include but are not limited to:\nInstall, maintain, audit, and support a secure MS Windows network environment and limited web/data application services.\nMaintain internet applications and protocols including IP, TCP, HTTP, HTTPS, FTP, and SSL.\nMaintain file servers, firewalls, network access, Security Monitoring Systems, and system documentation.\nInterface directly with local customers to provide technical IT support and quickly resolve system anomalies.\nPerform periodic maintenance, hardware upgrades, replacement, firmware updates, and system configuration changes.\nManage data backup libraries, conduct scheduled tape backups, and maintain secure storage both on-site and off-site.\nAttend planning meetings with IT staff, Program Managers, and customers to prepare systems for operational use and support testing.\nMinimum Qualifications:\nBachelor’s degree in a related field or 4 years of additional experience in lieu of a degree.\n1+ years of total relevant IT experience\nMust meet DoD Directive 8570.01-M/8140 IAT Level II certification requirements (e.g., Security+ CE, CCNA, CySA+, CND) within 6 months of hire.\nPossess applicable Windows professional certifications based on operating system requirements for the supported organization.\nPreferred Qualifications:\n1 year of SCI or SAP experience highly desired.\nThorough knowledge of Microsoft Windows Server, Microsoft Exchange Server, and Windows client operating systems and associated hardware.\nWorking knowledge of LAN/WAN technologies, data backup systems, and COMSEC integration.\nWorking knowledge of JAFAN 6/0, DCID/JAFAN standards, ICDs, and Joint DODIIS/Cryptologic SCI Information Systems Security Standards.\nExperience with PL1 through PL4 systems and cross-domain solutions.\nStrong ability to work independently in a dynamic environment with DoD, military, civilian, and industry partners.\nClearance Requirements:\nCurrent Top-Secret Clearance with SCI Eligibility\nMust be eligible for access to Special Access Programs (SAP).\nMust be willing to submit to a Counterintelligence polygraph.\nPhysical Requirements:\nRequires travel within the organizational Area of Responsibility (AOR), which may include both air and ground transportation.\nMust be able to lift up to 50 lbs.\nMust be able to remain in a stationary position 50% of the time in closed-area offices.\nMust be able to move about inside and outside the office to access files, cabinets, safes, and install or remove computer-related equipment.\nThe projected compensation range for this position is $71,400.00-$118,700.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.\nMANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.\nIf you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.","description_format":"text","description_chars":4480,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Life insurance","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["National Security","Information Security","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-11-03T01:21:43Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":4,"expected_fill_days":15,"reasons":["conf:4","velocity","win:early","comp:junior,brand"],"computed_at":"2026-11-07T05:47:08Z"},"pay":{"stated_usd_annual":118700,"is_top_pay":true},"html_url":"https://alion.io/job/mantech-network-systems-administrator","json_url":"https://alion.io/job/mantech-network-systems-administrator.json","meta":{"generated_at":"2026-11-07T12:13:43Z","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":13412,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":179527},"rest":"https://alion.io/mcp/rest/get_company?id=179527"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmantech-network-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%2Fmantech-network-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%2Fmantech-network-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/mantech-network-systems-administrator\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmantech-network-systems-administrator"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3654851}},{"tool":"search_jobs","arguments":{"company":"mantech.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3654851},"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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