{"id":4229294,"url":"https://alion.io/job/amentum-network-engineer-principal","title":"Network Engineer - Principal","company":{"id":14861,"name":"Amentum","domain":"amentum.com","url":"https://alion.io/company/amentum","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":82,"open_postings":465,"ghost_share":0,"stale_share":0.912,"repost_share":0.002,"time_to_fill_p50_days":18,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Networking","role_family":"Networking","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warrenton, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":210000,"max":240000,"currency":"USD","period":"year","gross":null,"usd_annual":240000},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Ansible","optional":false},{"name":"BGP","optional":false},{"name":"Configuration Management","optional":false},{"name":"ITIL","optional":false},{"name":"Microsoft Office","optional":false},{"name":"OSPF","optional":false},{"name":"Outlook","optional":false},{"name":"Python","optional":false},{"name":"SharePoint","optional":false},{"name":"Speech Recognition","optional":false},{"name":"TCP/IP","optional":false},{"name":"Terraform","optional":false},{"name":"VMWare","optional":false},{"name":"Zero Trust","optional":false},{"name":"ServiceNow","optional":true}],"status":"live","first_seen_at":"2026-11-12T00:00:00Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-14T00:42:49Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Purpose and Impact:\nIn support of a challenging, critical, and rewarding program, Amentum is seeking a Principal Network Engineer to lead full-lifecycle IT infrastructure, hardware, and service transitions across our program. You will drive cross-functional delivery efforts-spanning Procurement, Change Management, Logistics, Production, Engineering, Network Architecture, and Customer Project Management teams. In this role, you will guide voice, video, and data capabilities from initial concept through full operational deployment in DISA/DoD environments.\nWork Schedule: 5 Days (Mon - Fri); 8 hrs/Day; 40 hrs/wkly\nEssential Responsibilities:\nThe duties and responsibilities of the Principal Network Engineer include, but are not limited to the following:\nPerform as primary Subject Matter Expert to Government Leaders with knowledge and experience in local and wide area networking, communications, data center operations and related software/hardware within a multi-platform operating environment.\nManage team of 10-15 Network Engineers in both operation and maintenance of existing enterprises as well as development and integration of emerging capabilities. \nEnsure engineering rigor to manage multiple projects and initiatives using an industry accepted systems development life cycle model (i.e. INCOSE V, Waterfall, etc.) \nProvide support to a wide array of customers as part of a complex team of multiple contractors and government personnel. \nProvide support for all information systems operations activities, including computer and communications operations, data control, LAN/WAN administration and operations support, operating systems programming, system security policy procedures, and operations. \nAnalyze and develop new hardware requirements and prepare specifications for hardware acquisitions. \nProvide recommendations and conduct research for new technologies, future concepts, and analysis for implementation of deployable solutions (mobile and transportable) design integration, Interoperability of systems and services with mission partners, and Virtualization and Software Defined Networking (SDN) design integration. \nReview site design packages from the Site Design team for technical accuracy. \nDesign and plan network communications systems. \nResearch and recommend to the Configuration Management Board new or replacement models of hardware or software to support the engineering roadmap. \nProvide information to the life cycle team for hardware that is reaching end of life or end of service/support. \nCoordinate with the Information Assurance Security Engineers to validate all designs against required security controls to maintain Authority to Operate of each enclave. \nCreate, review, and update technical documentation in support of integration projects. \nProvide full implementation documentation and templates for all phases of deployment and sustainment of network equipment and services. \nProvide engineering support to the Network Operations Center, and support implementation and sustainment teams as needed. \nIdentify and diagnose complex performance, security, and technical issues. \nDevelop and implement solutions across a wide range of technologies. \nImplement and maintain DISA STIG requirements. \nStay current on most technological developments and applications and help to evaluate vendor products to make recommendations for purchase. \nOversee the day-to-day O&M management of all enterprise network connectivity and data center network infrastructure operations, policies, and procedures. \nAnalyze and resolve network and data center work problems, or assist employees in solving work problems \nLead enhancement efforts to deliver new techniques/solutions to optimize and secure infrastructure and monitoring systems. \nConfer and work efficiently and effectively with other departments to plan and deliver enhancement projects, operational changes, related schedules, resources and progress reporting \nBe responsible for O&M’s team’s troubleshooting efforts to isolate and diagnose common system problems; document system events to ensure continuous functioning. \nTrain, mentor and motivate team to meet individual, team and contractual obligations and thresholds while ensuring individual career growth and development. \nDevise new techniques to expedite workflow, improve productivity, and improve operating environment.\nEvaluate customer-submitted technology initiatives, enhancement requests, and modernization requirements.\nConduct technical feasibility assessments for proposed projects and capability enhancements.\nAnalyze existing architectures, operational constraints, dependencies, cybersecurity implications, and infrastructure impacts.\nDevelop high-level and detailed engineering solution options.\nAnalyze alternatives and conduct trade studies to identify optimal technical approaches.\nEstimate hardware, software, licensing, infrastructure, labor, and lifecycle support costs.\nDevelop Rough Order of Magnitude (ROM) estimates, budget projections, and implementation timelines.\nIdentify technical, operational, programmatic, and cybersecurity risks associated with proposed initiatives.\nAssess mission benefits, operational impacts, return on investment, and performance improvements.\nProduce technical white papers, engineering assessments, briefing materials, and executive recommendations.\nPresent findings and recommendations to customer leadership, technical review boards, and program management offices.\nParticipate in architecture review boards, configuration control boards, and technical review meetings.\nSupport strategic technology planning and modernization efforts across the enterprise.\nMinimum Requirements (Knowledge, Skills, and Abilities):\nMust have active Top-Secret clearance with SCI or the ability to acquire Top Secret/SCI \n12+ years of experience in network and data center architecture design and management with at least 3 years focused on implementing Cisco ACI and Next Generation Firewalls (NGFW) solutions (Cisco Firepower and Palo Alto PAN-OS/Panorama) \nPrior experience serving as Lead Engineer engaging with Senior Government Technical Personnel to communicate design solutions and O&M activities. \nMin 5 years’ experience directing cross-functional engineering teams to deliver full lifecycle support for IT infrastructure, O&M activities, and documenting system performance to ensure continuous function. \nDemonstrated experience with the design of highly available/high performance/highly scalable redundant networks and ISP management, SDWAN implementation, IPAM, and IPv6 design and deployment at the enterprise and data center \nMust be able to Implement Cisco Nexus Dashboard and ACI fabric architectures (VXLAN, Spine-Leaf topology, and APIC controller management) for multi-data center environment, to include the design and optimization of ACI fabric and spine-leaf architecture \nMust be able to configure tenant policies, endpoint groups (EPGs), and implement ACI contracts, filters, service graphs, and L4-L7 integrations with firewalls and load balancers \nPrior experience developing automation scripts using Python, Ansible, or Terraform for network configuration and policy enforcement application profiles \nBe able to Integrate ACI with multi-datacenter environments for VMware and Acropolis AOS VM environments. \nKnowledge of or experience with implementing Zero Trust Security policies within ACI and ensure compliance with industry standards \nBe able to use APIC, SNMP, Syslog, and telemetry tools for proactive monitoring and performance tuning \nMust be able to implement Cisco Data Center solutions - Nexus switches (9K series), UCS, BE7K and data center management planes \nExperience designing and troubleshooting Layer 2/3 networking architectures and understanding of internetworking routing protocols and technologies (TCP/IP, VPLS, DMVPN, EIGRP, BGP, OSPF, VRRP, HSRP, NHRP). \nExperience with Type 1 line encryption devices including, but not limited to the following: KG175, KG250, KG250xs, etc. \nExperience with network security best practices, and technologies including, but not limited to, SSH, IPSec, RADIUS, TACACS, firewall policies, and 802.1x. \nExperience implementing network performance management solutions (SolarWinds, NetScout Infini Stream, and Gigamon Deep Observability) and troubleshooting with packet, session and log data. \nWorking knowledge of Cisco IP telephony products as well as knowledge of interconnection of multiple IP telephony systems via LAN and WAN connections. \nFamiliarity with datacenter infrastructure and experience with Cisco routers (Cisco ISR and ASR series) and switches including, but not limited to the following: 35xx, 37xx, 38xx, 45xx, 65xx, Nexus 9xxx, 7xxx, 6xxx, 5xxx, 2xxx, 1xxx series. \nHands-on experience with implementation and use of network monitoring, fault management, and performance analysis tools such as Syslog, SNMP, What’s Up Gold, SolarWinds, Scrutinizer, etc. \nDemonstrated application of the ITIL framework to deliver IT Service Management for an enterprise information system\nDemonstrated experience leading technical teams and mentoring engineers.\nProven ability to develop technical documentation, engineering designs, and executive-level presentations.\nProven experience making recommendations that improve customer mission effectiveness and operational efficiency.\nMust be able to work a 40-hour work week, normally Monday through Friday \nAbility to work overtime during critical peaks and be available to meet last-minute requests for overtime if needed \nAbility to travel (5-10%) primarily within 75 miles \nFamiliarity with MS Office applications such as Excel, Word, Outlook, SharePoint, Project and Visio \nExceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time-management, and problem-solving skills \nAbility to work both independently and as part of a team in a dynamic environment\nSecurity Clearance Required:\nMust have active Top-Secret clearance with SCI or TS with the ability to acquire SCI\nMinimum Education:\nBachelor’s degree in a relevant technical field, or equivalent experience that demonstrates capability in IT, telecommunications, or systems engineering within DoD environments.\nMinimum Years of Experience:\n12+ years of relevant experience\nRequired Certifications:\nMust possess or be able to obtain the Cisco Certified Network Professional (CCNP) and one of the following 8140 IAT Level II or III baseline certifications before start date:\nLevel II certs include - CCNA Security, CySA+, CND, Security+ CE\nLevel III certs include - CASP CE, CCNP Security, CISA, CISSP (or Associate)\nPreferred Qualifications:\nMaster of Science in Information Technology, Computer Science or Engineering\nCisco Certified Enterprise Infrastructure - CCIE \nPalo Alto Networks Certification - Network Security \nExperience with ITIL \nExperience with ServiceNow \n#javelin #jointhepack #itil #cisco #projectassessment #networkengineer #network\nThis position is not designated as a safety sensitive position.As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.\nOther Responsibilities:\nSafety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.\nQuali...","description_format":"text","description_chars":15065,"description_truncated":true,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity","Life insurance","Parental leave","Vision insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Military Logistics","Facilities Management","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-13T09:05:32Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 4","filings_12m":4,"filings_prev_12m":5,"green_card_filings_12m":0,"median_offered_wage_usd":107500,"route":null,"cap_exempt":false,"checked_at":"2026-11-12T07:36:15+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":19,"reasons":["conf:4","win:early","comp:brand"],"computed_at":"2026-11-14T05:23:46Z"},"pay":{"stated_usd_annual":240000,"is_top_pay":true},"html_url":"https://alion.io/job/amentum-network-engineer-principal","json_url":"https://alion.io/job/amentum-network-engineer-principal.json","meta":{"generated_at":"2026-11-14T05:23:46Z","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":9105,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-15T00:00:00Z"}},"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":14861},"rest":"https://alion.io/mcp/rest/get_company?id=14861"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Famentum-network-engineer-principal"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Famentum-network-engineer-principal"},{"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%2Famentum-network-engineer-principal"},{"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/amentum-network-engineer-principal\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Famentum-network-engineer-principal"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4229294}},{"tool":"search_jobs","arguments":{"company":"amentum.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4229294},"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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