Network Engineer - Staff Job at Amentum, San Antonio, TX

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  • Amentum
  • San Antonio, TX

Job Description

Salary: $110,000 - 140,000 per year Requirements:

  • Familiarity with fundamental networking concepts, including TCP/IP, routers, switches, and firewalls.
  • Basic understanding of LAN/WAN concepts and experience with Cisco routers and switches or similar technologies.
  • Interest in learning network design, monitoring, and troubleshooting, and willingness to learn network hardware and software configuration and maintenance.
  • Ability to work effectively in a team and communicate technical information.
  • Familiarity with network monitoring tools such as SolarWinds, Syslog, or SNMP is a plus.
  • Knowledge of protocols such as TCP/IP, DNS, and DHCP is a plus.
  • Familiarity with Microsoft Office applications, including Excel, Word, Outlook, SharePoint, Project, and Visio.
  • Strong attention to detail, verbal and written communication, critical thinking, organizational, time-management, and problem-solving skills.
  • Ability to work independently and collaboratively in a dynamic environment.
  • Ability to work a 40-hour week, normally Monday through Friday, and to work overtime during critical periods or in response to short-notice requests.
  • Ability to travel 5–10%, primarily within 75 miles.
  • Active Top Secret clearance with SCI, or TS clearance with the ability to acquire SCI.
  • High school diploma.
  • Four years of relevant experience.
  • Current CCNA certification and one 8140 IAT Level II or III baseline certification. Level II examples include CCNA Security, GISCP, GSEC, Security+ CE, and SSCP; Level III examples include CASP CE, CCNP Security, CISA, CISSP or Associate, GCED, and GCIH.
  • Preferred: Bachelors degree in an IT-related field, 4–8 years of relevant experience, ITIL v4 certification, and ServiceNow experience.
  • Preferred: Experience installing and configuring enterprise network and systems infrastructure devices, cabling, and operational best practices.
  • Preferred: Understanding of Active Directory, MECM, DHCP, DNS, Cisco IOS, SolarWinds, and Remedy.
Responsibilities:
  • Assist senior engineers with managing projects and initiatives using standard systems development life cycle models, such as INCOSE V and Waterfall.
  • Support local and wide area networks, communications, and related hardware and software in a multi-platform environment.
  • Help operate information systems, including computer and communications systems, LAN/WAN administration, system security, and operational procedures.
  • Collaborate with team members to analyze hardware needs and prepare specifications for acquisitions.
  • Research emerging technologies and help assess potential network solutions, including mobile and transportable systems, virtualization, and Software Defined Networking.
  • Assist with reviewing and updating network designs and site design packages.
  • Work with senior engineers to design and plan network communications systems.
  • Create and maintain documentation for network designs, integration projects, and ongoing operations.
  • Help identify and troubleshoot performance, security, and technical issues, escalating them to senior team members when necessary.
  • Assist with implementing and maintaining DISA STIG requirements.
  • Keep up with technology developments and help evaluate vendor products under senior engineers guidance.
Technologies:
  • Active Directory
  • Cisco
  • Excel
  • Hardware
  • Support
  • ITIL
  • LAN
  • Mobile
  • Network
  • Security
  • ServiceNow
  • SharePoint
  • Swing
  • TCP/IP
  • iOS
  • React

More:

We are seeking a Staff Network Engineer to join Amentums collaborative IT team supporting a critical program that delivers integrated voice, video, and data services throughout the information technology lifecycle. The role calls for independent, detail-oriented problem-solving and adaptability when learning new products and processes. This is an in-person position with a 40-hour shift schedule that may include day, swing, or overnight shifts, Sunday through Saturday; night and overnight shift availability is required. The annual pay range is $110,000–$140,000. Benefits include 401(k) and matching, health, dental, vision, life, and other insurance plans, paid time off, parental leave, flexible scheduling, employee assistance and discount programs, professional development assistance, tuition reimbursement, and a referral program.

last updated 40 week of 2026

Job Tags

Full time, Work at office, Local area, Monday to Friday, Flexible hours, Shift work, Night shift, Day shift, Afternoon shift

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