{"id":3094998,"url":"https://alion.io/job/amentum-network-engineer-3","title":"Network Engineer","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":81,"open_postings":108,"ghost_share":0,"stale_share":0.963,"repost_share":0,"time_to_fill_p50_days":16,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Networking","role_family":"Networking","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Columbia, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":135000,"max":185000,"currency":"USD","period":"year","gross":null,"usd_annual":185000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Jira","optional":false},{"name":"ServiceNow","optional":false},{"name":"TCP/IP","optional":false},{"name":"CIS Benchmarks","optional":true},{"name":"NIST 800-53","optional":true}],"status":"live","first_seen_at":"2026-10-12T00:00:00Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-28T06:49:43Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"Come be part of a dynamic program that delivers enterprise infrastructure, systems engineering, and operational support across multiple mission-critical network environments. Our team designs, implements, and sustains modern technology solutions supporting real-world customer operations.\nWe foster a highly collaborative and technical culture that values innovation, continuous learning, and professional growth. Team members are encouraged to expand their expertise through training opportunities, cross-functional collaboration, and hands-on experience with a wide range of technologies supporting complex operational environments.\nWork Schedule: (shift hours and days of the week)\n8hrs/day, 5days per week, all onsite\nSome travel required (no more than 25%), never weekends\nOccasional after-hours work, pre-coordinated\nEssential Responsibilities: ( describe the day-to-day)\nDesign, implement, maintain, and optimize enterprise network infrastructure supporting mission-critical operations across multiple sites.\nConfigure and manage network devices including routers, switches, firewalls, and encryption devices in classified and enterprise environments.\nPerform network troubleshooting, root cause analysis, and incident resolution to maintain high availability and operational performance.\nSupport implementation of network upgrades, technology refreshes, and infrastructure modernization initiatives.\nDevelop and maintain network architecture diagrams, technical documentation, standard operating procedures, and configuration baselines.\nMonitor network performance, capacity, and security posture while proactively identifying opportunities for improvement.\nCollaborate with systems, cybersecurity, and engineering teams to design secure and scalable network solutions.\nSupport vulnerability remediation efforts, compliance requirements, and configuration management activities in accordance with organizational policies and industry best practices.\nManage and resolve service requests, incidents, and change activities through established ticketing and workflow systems.\nEvaluate emerging networking technologies and recommend solutions that improve reliability, security, and operational efficiency.\nServe as a technical contributor on a team of network engineers supporting complex enterprise and classified network environments.\nWork Environment, Physical Demands, and Mental Demands:\nStandard working environment\nMinimum Requirements (Knowledge, Skills, and Abilities):\nWorking knowledge of enterprise networking concepts including routing, switching, VLANs, network segmentation, and TCP/IP protocols.\nAbility to independently analyze technical issues and develop effective solutions for complex networking challenges.\nStrong troubleshooting skills with experience diagnosing and resolving hardware, software, and connectivity issues.\nAbility to communicate technical information effectively to both technical and non-technical stakeholders.\nExperience supporting change management, configuration management, and operational maintenance activities.\nKnowledge of cybersecurity principles and secure network design practices within enterprise environments.\nAbility to work independently while collaborating effectively within a cross-functional engineering team.\nRequired Qualifications include:\n4+ years of experience supporting enterprise network infrastructure and operations.\nExperience designing, implementing, and maintaining enterprise network environments.\nExperience supporting classified network environments.\nExperience configuring and managing Cisco routing and switching platforms.\nExperience administering Palo Alto firewalls and security policies.\nExperience working with Type 1 encryption devices, including TACLANE technologies.\nExperience utilizing enterprise ticketing and workflow management tools such as ServiceNow or Jira.\nRequired Certs: one or more of the following: Security+, SecurityX (CASP+), CISSP, or equivalent IAT2 level certification\nRequired Vendor Certification: Cisco CCNA or higher\nSecurity Clearance Required:\nTS / SCI\nMinimum Education:\nHigh School Diploma or equivalent\nPreferred\nBachelor's Degree in Information Technology, Computer Science, Engineering, or related field\nundefinedMinimum Years of Experience: 4+Required Certifications: This is an IAT2 level billet. Applicant must have: - Required IAT Certs: one or more of the following: Security+, SecurityX (CASP+), CISSP, or equivalent baseline certificationRequired Vendor Cert: CCNA or higher Cisco certification Preferred Qualifications: AI if applicable to your program Experience supporting DoD, Intelligence Community, or other classified enterprise environments.Experience implementing and maintaining NIST RMF, NIST 800-53, STIG, or CIS Benchmark requirements.Experience with Cisco Identity Services Engine (ISE), Cisco DNA Center, or other enterprise network management platforms.Experience with network automation, scripting, or infrastructure-as-code methodologies.Experience supporting cloud-connected or hybrid enterprise network environments.Prior military service.Additional Hashtags: #javelinThis 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.Other Responsibilities:Safety - 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.Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. \nCompensation Details:\n$135,000 - $185,000The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.\nBenefits Overview:\nOur health and welfare benefits are designed to support you and your priorities. Offerings include:\nHealth, dental, and vision insurance\n\nPaid time off and holidays\n\nRetirement benefits (including 401(k) matching)\n\nEducational reimbursement\n\nParental leave\n\nEmployee stock purchase plan\n\nTax-saving options\n\nDisability and life insurance\n\nPet insurance\n\nNote: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.\nOriginal Posting:\n10/12/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.\nAmentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. 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