Senior Network Engineer

Posted 2 Days Ago
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Fort Meade, MD, USA
In-Office
250K-250K Annually
Senior level
Security • Cybersecurity
The Role
Designs, builds, troubleshoots, and supports complex network and network security architectures for DISA and Department of Defense missions. Responsibilities include LAN/WAN operations, routing protocols, MPLS, SD-WAN, network automation, security appliances, circuit fault isolation, hardware requirements, technical documentation, DISA STIG compliance, and Authority to Operate support. The role works independently in SCIF and datacenter environments and provides engineering escalation support for integration, deployment, and sustainment.
Summary Generated by Built In

Purpose and Impact: 

In support of DISA, the Intel and Cyber Division is assembling a team to support a program that provides critical network capabilities to the Department of Defense. We are committed to recruiting and retaining this team for prototype development, test, and demonstration, as well as making this team available longer term for integration, deployment and sustainment as needed.

Candidates interested in joining the team must be critical thinkers, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment that supports a critical and rewarding mission. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and unique problem sets. To be successful, you must be able to rapidly adapt and learn how to operate the front and back end of new products and processes.

Work Schedule: 8 Hours per day, Monday thru Friday

Essential Responsibilities:

The duties and responsibilities of the Senior Network Engineer include, but are not limited to, the following:

  • Perform as senior-level contributor, able to operate and troubleshoot autonomously and independently, whether customer facing or with other engineering team members. 
  • Design, build and troubleshoot network and network security architecture. 
  • Analyze and develop new hardware requirements and prepare specifications for hardware acquisitions. 
  • Provide engineering escalation support for all network and network security operations activities including: LAN/WAN operations and troubleshooting, troubleshooting network automation and tooling, and troubleshooting network security appliances.
  • Coordinate with the Information Assurance Security Engineers to validate all designs against required security controls to maintain Authority to Operate of each enclave; implement and maintain DISA STIG requirements. 
  • Create, review, and update technical documentation in support of integration projects.
  • Provide full implementation documentation and templates for all phases of deployment and sustainment of network equipment and services. 
  • Identify and diagnose complex performance, security, and technical issues.

Work Environment, Physical Demands, and Mental Demands: Employee will work in a SCIF on a daily basis. Employee may also be required to work in a datacenter environment for specified periods of time.

Minimum Requirements (Knowledge, Skills, and Abilities):

  • Cisco Certified Network Professional (CCNP) certification 
  • Experience building, troubleshooting and testing IS-IS and/or OSPF networks
  • Experience building, troubleshooting and testing MP-BGP underlays and overlays
  • Experience building, troubleshooting and testing MPLS networks: RSVP-TE, LDP, and SR-MPLS.
  • Experience building, troubleshooting and testing routing policy and redistribution.
  • Experience building, troubleshooting and testing DMVPN and/or SD-WAN.
  • Experience building, troubleshooting and testing different flavors of STP.
  • Experience standing up and troubleshooting new circuits with the ability to fault isolate issues to CE equipment, demarc and/or carrier.
  • Experience building, troubleshooting and testing network security technologies including but not limited to: SSH, WAN MACsec, IPSec, RADIUS, TACACS+, firewall NAT and security policies and end-point security
  • Experience with MS Office applications such as Excel, Word, Outlook, and SharePoint.
  • Ability to work both independently and as part of a team in a dynamic environment.
  • Ability to travel up to 20%.

Clearance Required:  

  • Must have active Top Secret clearance with SCI eligibility

Minimum Education:

  • Bachelor’s Degree in an IT related field, or an additional five (5) years of Network Engineering experience.

Minimum Years of Experience:  

  • 10 Years of network engineering w/ 3 years of network design  architecture and implementation

Required Certifications:

  • Cisco Certified Network Professional (CCNP) certification 
  • DoD 8570.01-M IAT-II or IAM-I baseline certification requirements

Preferred Qualifications:

  • Extensive experience designing and building network and network security architecture so different segments in underlay and overlay partitions work together holistically to balance customer experience with security policy compliance.
  • Extensive experience designing, building and troubleshooting Palo Alto and/or FMC/FTD NGFWs performing DPI.
  • Extensive experience designing, building and troubleshooting ISE and/or other end-point security appliances.
  • Experience with network tooling such as Cisco NSO, Catalyst Center, Splunk and StealthWatch.
  • Experience with automating repetitive tasks using tools and/or scripts, such as Python and TCL.
  • Extensive experience with Cisco IP telephony products 
  • Experience with Type 1 encryption devices including, but not limited to: KG175X and KG142
  • Experience developing IT checklists, SOPs, guides, etc.
  • Experience deploying DISA STIGs and conducting Government network assessments.

#javelin

       

Compensation Details:

250000

       

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:

10/05/2026 - 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.

       

Amentum 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. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

Skills Required

  • Cisco Certified Network Professional (CCNP) certification
  • DoD 8570.01-M IAT-II or IAM-I baseline certification
  • 10 years of network engineering experience, including 3 years of network design, architecture, and implementation
  • Bachelor's degree in an IT-related field, or an additional five years of network engineering experience
  • Experience building, troubleshooting, and testing IS-IS and/or OSPF networks
  • Experience building, troubleshooting, and testing MP-BGP underlays and overlays
  • Experience building, troubleshooting, and testing MPLS networks using RSVP-TE, LDP, and SR-MPLS
  • Experience with routing policy and redistribution
  • Experience with DMVPN and/or SD-WAN
  • Experience with different flavors of STP
  • Experience standing up and troubleshooting circuits and isolating faults to CE equipment, demarcation, or carrier
  • Experience with network security technologies including SSH, WAN MACsec, IPSec, RADIUS, TACACS+, firewall NAT, security policies, and endpoint security
  • Experience with Microsoft Office applications including Excel, Word, Outlook, and SharePoint
  • Ability to work independently and as part of a team in a dynamic environment
  • Active Top Secret clearance with SCI eligibility
  • Ability to travel up to 20%
  • Experience designing and building integrated network and network security architectures across underlay and overlay partitions
  • Experience designing, building, and troubleshooting Palo Alto and/or FMC/FTD next-generation firewalls performing deep packet inspection
  • Experience designing, building, and troubleshooting ISE and/or other endpoint security appliances
  • Experience with Cisco NSO, Catalyst Center, Splunk, and StealthWatch
  • Experience automating repetitive tasks using Python, TCL, or similar tools and scripts
  • Extensive experience with Cisco IP telephony products
  • Experience with Type 1 encryption devices including KG175X and KG142
  • Experience developing IT checklists, SOPs, and guides
  • Experience deploying DISA STIGs and conducting government network assessments

Amentum Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.

  • Healthcare Strength — Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
  • Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
  • Leave & Time Off Breadth — Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.

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The Company
HQ: Chantilly, VA
18,261 Employees

What We Do

Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.

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