NGE - Network Design Engineer Architect / Lead IRES - SSFB/HSV/FBEL

• Serve as the Lead Network Integrator across the program enterprise; align network technical roadmaps and Interface Control Documents (ICDs) among government stakeholders, military leadership, and multiple industry performers/teammate companies.

• Serve as direct technical advisor to the Government NGE Technical Director and Government Network Design Lead; translate mission capability needs into actionable network architecture roadmaps, technical baseline decisions, and engineering trade studies.

• Oversee, guide, and mentor a multidisciplinary team of network design and implementation engineers; manage technical task assignments, design reviews, peer code/config audits, and engineering deliverables.

• Architect scalable multi-site Data Center fabrics utilizing Spine-Leaf topologies, Cisco Nexus (NX-OS) platforms, and EVPN-VxLAN overlay technologies; integrate with VMware NSX / VMware Cloud Foundation (VCF) to establish software-defined networking and distributed micro-segmentation.

• Design enterprise load balancing, traffic distribution, and SSL offloading/decryption architectures using F5 BIG-IP (LTM/GTM/APM); establish high-availability application routing across hybrid cloud boundaries.

• Architect resilient WAN transport and secure branch interconnects leveraging Versa Networks SD-WAN/SASE solutions, MPLS, and zero-trust edge boundary controls.

• Govern enterprise IP address management, automated DNS resolution, and DHCP provisioning frameworks utilizing Infoblox DDI integrated with hybrid cloud orchestration pipelines.

• Define network segmentation, micro-segmentation, ICAM integration, dynamic policy enforcement (802.1X/NAC), and FIPS-validated cryptography (IPsec/MACsec); align designs with DoW Zero Trust Strategy, NIST SP 800-53, and DISA STIGs to support continuous ATO (cATO).

• Lead Network Architecture Review Boards (ARB) and Engineering Change Boards; establish authoritative High-Level Designs (HLD), Low-Level Designs (LLD), Architecture Decision Records (ADRs), and Interface Control Documents (ICDs) leveraging Model-Based Systems Engineering (MBSE) concepts.

The successful candidate will:

• Have excellent communication skills with the ability to brief senior leaders and translate technical concepts into mission impact.

Resumes, in month and year format, must be submitted with application in order to be considered for the position.

The selected candidate may be assigned as an employee for one of our teammate companies.

• Must have 12, or more, years of general (full-time) work experience
• May be reduced with completion of advanced education
• Must have 6, or more, years of directly related experience designing and leading large-scale enterprise or DoW networks across data center, WAN/backbone, campus/branch domains.
• Must have 1, or more, years of experience working in a management or leadership role
• Must have expert level knowledge of routing and switching (BGP, OSPF, IS IS), EVPN VXLAN and/or MPLS, QoS, IPv6, multicast, and network resiliency patterns.
• Must have demonstrated success implementing Zero Trust segmentation, 802.1X/NAC, identity aware firewall policy, and FIPS validated cryptography.
• Must be familiary with hybrid/multi cloud networking patterns and IL4/5/6 operational constraints; strong grasp of RMF/STIG compliance.
• Must have a current IAT III or IAM II baseline certification (examples: CISSP, CASP+ CE, CISM).
• Must have an active DoW Secret Security Clearance

• Have, or obtain, an active DoW Top Secret Security Clearance with SCI eligibility
• Have a Bachelor’s degree (or higher) in computer science, Information Technology
• Have experience performing within ITIL, TOGAF, or other architecture frameworks.
• Have experience supporting the Missile Defense Agency (MDA) or other DoW organizations.
• Have experience with software-defined networking (SDN), automation, and cross-domain solutions.

• CCIE (Enterprise Infrastructure, Security, or Data Center)
• CCNP (Enterprise, Service Provider, or Security) or equivalent expert credentials (JNCIE, NSE 7/8, PCNSE).
• ITIL® 4 Foundation (service alignment) and an architecture framework credential (TOGAF/DoDAF familiarity).
• Cloud networking foundations (e.g., AWS/Azure associate level) helpful for hybrid designs.

This position will be posted for a minimum of 3 days.

If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

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.

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.

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.