Systems Architecture Engineer

Amentum is seeking a dynamic Systems Architecture Engineer to provide on-site architectural support to the U.S. Indo-Pacific Command (USINDOPACOM) Requirements and Resources Directorate (J8), Edge Theater Architecture (ETA) Team (J83). The Systems Architecture Engineer will provide on-site architectural support to ETA planning and development, working under the direction of the Architecture Lead. Furthermore, the Systems Architecture Engineer will facilitate daily design, development, and evaluation of Network Theater Architectures and provide on-site support.

Specific Duties Include:

• Support the development of architectural artifacts, including diagrams, models, and specifications.
• Assist in the evaluation of the feasibility and performance of different architectural options.
• Provide technical support to the team on architectural matters.
• Ensure that the architectures are aligned with Department of War (DoW, formerly Department of Defense (DoD)) and USINDOPACOM standards.
• Collaborate with other engineers and stakeholders to develop integrated solutions.
• Provide on-site support and troubleshooting during experimentation events.
• Conceptualize operational needs and solutions at a high level and then develop technical requirements and recommend solutions to drive improvement to existing design and solutions.
• Oversee the strategic interface for system of systems configuration, network configuration, strategically plan new configurations for network operations using knowledge of the characteristics of the systems being added to the network, and the specifications for network interfaces to ensure effective integration and optimal network performance.
• Research, design, test, and evaluate new technologies and solutions. Maintain an organization-wide view of current and future operations and architecture to recommend solutions that integrate into the overall architectural vision and strategy.
• Design and implement computer and information networks, such as local area networks (LAN), wide area networks (WAN), intranets, extranets, and other data communications networks such as Software Defined Networks (SDN).
• Participate in and/or lead design and engineering projects for ETA experimentation involving the extension and application of advanced engineering and networking principles and concepts.
• Perform network planning, modeling, and analysis.
• Design network and computer security measures, and research and recommend network and data communications hardware and software.
• Provide assessments regarding the technical characteristics of the proposals and alternatives considered to optimize network performance and data throughput in support of operational users.
• Conduct advanced and state-of-the-art assignments such as network design optimization, technical experiments, specification of equipment configurations, technology assessment, technology insertion planning, capacity planning, and configuration management.
• Travel approximately 15% annually, both to Mainland U.S. and Allied and Partner nations, in support of conferences, planning sessions, and exercises/experiments.

Minimum Requirements:

• Bachelor's Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
• At least 5 years of experience supporting the DoW, including at least 3 years of experience in military operations.
• Knowledge of the USINDOPACOM AOR.
• Excellent oral and written communication skills.
• Proficient in Microsoft Office applications (Word, Excel, PowerPoint).
• Must have an active Top-Secret security clearance, with SCI eligibility later during employment. Note: US Citizenship is required to obtain a Top-Secret Clearance.
• 5+ years of experience in systems integration and/or network infrastructure for a complex DoW network.
• Understanding of network technologies. (e.g. Software Defined Networking (SDN), Software Defined Wide Area Networks (SD-WAN), routing, switching, firewalls, wireless, application load balancing, network visibility).
• Understanding of network practices and protocols (e.g. communications, management, and security protocols).
• Experience with multi-vendor firewalls, switches, and routers.
• Understanding and experience in cloud networking design for both hybrid and cloud native deployments.
• Knowledge of the TCP IP protocol suite, IP subnets, masking, and routing protocols.
• Knowledge of network bandwidth, requirements, routing through network devices or public network extensions.
• Experience in developing network design layouts and presentations using network diagram tools.

Preferred Qualifications:

• Master's Degree in Computer Science, Engineering or a related technical discipline.
• At least 8 years of experience supporting the DoW/DoD, including at least 5 years of experience in military operations.
• 5 years' experience working in the USINDOPACOM AOR.
• 5 years' experience with DoW weapons systems and/or joint fires.
• 8+ years of experience designing, deploying, troubleshooting, and securing network infrastructure and data for large/complex networks in DoW environments.
• Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP) certification.
• DoD Approved 8570 Baseline Certification at IAT Level II.

Compensation & Benefits

HIRING SALARY RANGE: $165K - $175K (Salary to be determined by the education, experience, knowledge, skills, and abilities of the applicant internal equity, and alignment with market data.)

This position includes a competitive benefits package. For more detailed information on our Benefits and what it is like to work for Amentum: please visit our careers site: www.amentumcareers.com

Compensation Details:
$165K-$175K

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:
05/28/2026 - 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 .