Amentum

Networking Infrastructure Engineer

Amentum$102K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 10+ years of hands-on experience in enterprise network design, installation, and maintenance
  • Expertise in routing protocols like OSPF, BGP
  • Proficient in VLAN design and migration
  • Strong knowledge of policy-enabled networking and firewalls
  • Experience with high-availability and redundancy strategies
  • Familiarity with multi-vendor network hardware up to 100 GB standards
  • Excellent communication skills to produce documentation and reporting

Responsibilities

  • Monitor and support large-scale network infrastructures
  • Collaborate with Senior Engineers for network performance improvements
  • Respond to network emergencies outside of normal hours
  • Utilize expert troubleshooting skills in a 24/7 environment
  • Implement security policies for network integrity

Benefits

  • Health, dental, and vision insurance
  • Paid time off and holidays
  • Retirement benefits including 401(k) matching
  • Educational reimbursement
  • Parental leave
  • Employee stock purchase plan
  • Pet insurance
  • Disability and life insurance
Full Job Description

We are seeking a highly experienced Networking Infrastructure Engineer with a minimum of 10 years of hands-on experience in the design, installation, and maintenance of enterprise networks and systems operations.


Key Responsibilities

·         Monitor, maintain, and support multiple large-scale network infrastructures with varying security postures.

·         Collaborate with the Senior Infrastructure Architect and Senior Infrastructure Engineer to ensure optimal network performance and security.

·         Perform after-hours work and respond promptly to network or systems emergencies with minimal supervision.

·         Apply expert-level troubleshooting skills in a high-availability, 24/7 enterprise environment


Required Technical Expertise

·         Routing Protocols: OSPF, BGP, Multicast (PIM, DVMRP)

·         Network Design: VLAN design and migration

·         Security: Policy-enabled networking, Access Control Lists, Endpoint Integrity, Firewalls

·         Authentication & Access Control: Network Access Control, IDS/IPS, EAP/PEAP, RADIUS, Certificate Authorities

·         Protocols & Services: SNMPv3, SSH, SSL, Active Directory, DHCP, DNS, IAS

·         High Availability & Redundancy: VOIP, VRRP, Disaster Recovery

·         Hardware & Standards: Multi-vendor network hardware, troubleshooting up to 100 GB standards


Desirable Knowledge

·         SCADA systems

·         IP Address Management (IPAM)

·         PCI compliance

·         Wavelength Division Multiplexing (WDM)

·         MACsec encryption


Additional Desired Skill Sets

Software:

·         NetSight

·         NetBox

·         Unimus

·         EfficientIP

·         NPS (RADIUS)

Hardware:

·         Extreme (S-Series, VOSS, EXOS)

·         Arista


Essential Functions


Physical Requirements

·         Must be able to lift at least 70 pounds

·         Must be able to walk long distances as part of infrastructure support duties

Soft Skills & Professionalism

·         Strong written and verbal communication skills for documentation and reporting

·         Ability to work independently and collaboratively in a high-performance team

·         Demonstrated use of best practices and adherence to security policies and procedures

Compensation Details:

$102,000

       

The 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.

 

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance

 

Note: 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.

       

Original Posting:

08/17/2026 - Until Filled

Amentum 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.

       

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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