Amentum

Network and Cybersecurity Engineer

Amentum Alexandria, Virginia, United States · $183K–$203K/yr

Defense and Space Manufacturing · 10,001+ employees

Yesterday
security Senior (5-10 yrs) Full-time United States
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About the role

The engineer will support cybersecurity and Information Assurance activities for WIDS deployments, including coordinating A&A and ATO efforts. They will also develop accreditation documentation and collaborate with engineering teams to implement secure system configurations.

What they look for

Information Assurance Cybersecurity Network Engineering Risk Management Framework ICD 503 Assessment and Authorization Authority to Operate Vulnerability Assessment System Hardening Patch Management Configuration Management Technical Documentation DoD Compliance Wireless Intrusion Detection System

Requirements

Candidates must have 5-7 years of experience in cybersecurity or Information Assurance within DoD or Intelligence Community environments. A Bachelor's degree and an active TS/SCI with Polygraph security clearance are required.

Benefits

Health insurance Dental insurance Vision insurance Paid time off Holidays Retirement benefits 401(k) matching Educational reimbursement Parental leave Employee stock purchase plan Tax-saving options Disability insurance Life insurance Pet insurance

Full description

Purpose and Impact: Amentum/Secure Networking Solutions is seeking a Network and Cybersecurity Engineer to ensure the security, accreditation, and compliance of Wireless Intrusion Detection System (WIDS) environments of Amentum’s Skywalker program. The Network and Cybersecurity Engineer is responsible for supporting Information Assurance (IA) activities, coordinating Assessment and Authorization (A&A) and Authority to Operate (ATO) efforts, and implementing cybersecurity best practices throughout the system lifecycle. Working closely with Government stakeholders and engineering teams, this position ensures systems are securely deployed, maintained, and operated in accordance with ICD 503, Risk Management Framework (RMF), and customer security requirements while supporting mission-critical operations. Experience writing clear, concise, and user-friendly technical and training manuals or similar documentation, including documents required for A&A IAW ICD 503, is required. 

Work Schedule: Monday – Friday, 8 am - 5 pm. 

Essential Responsibilities: 

  • Support cybersecurity engineering and IA activities for WIDS deployments. 
  • Coordinate A&A and ATO efforts in accordance with ICD 503 and Government requirements. 
  • Develop, review, and maintain accreditation documentation, security plans, and technical procedures. 
  • Coordinate with engineering teams to implement secure system configurations and cybersecurity controls. 
  • Support vulnerability assessments, security compliance reviews, and risk mitigation activities. 
  • Assist with system hardening, patch management, and configuration management. 
  • Provide technical guidance on cybersecurity requirements throughout system deployment and sustainment. 
  • Support Government customers during security reviews, audits, and accreditation activities. 

Work Environment, Physical Demands, and Mental Demands:  Office Setting, but may be required to install sensors and wiring, which requires climbing ladders and lifting up to 20 lbs. 

Minimum Requirements (Knowledge, Skills, and Abilities): 

  • Experience supporting Information Assurance or cybersecurity activities within DoD and/or Intelligence Community environments. 
  • Knowledge of RMF, ICD 503, A&A, and ATO processes. 
  • Experience developing technical documentation and security accreditation artifacts. 
  • Understanding of secure system engineering principles and cybersecurity best practices. 
  • Strong written, verbal, and analytical communication skills. 
  • Ability to coordinate across engineering teams and Government stakeholders. 
  • Ability to travel worldwide. 

Security Clearance Required:   TS/SCI with Poly 

Minimum Education:  Bachelor’s Degree  

Minimum Years of Experience:  

  • Bachelor's Degree with 5–7 years of experience; Master's Degree with 3–5 years of experience; or equivalent combination of education and experience. 
  • Minimum of five (5) years supporting cybersecurity, Information Assurance, or systems engineering efforts for classified Government programs. 

       

Compensation Details:

$183,000-$203,000       

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:

08/14/2026 - Until FilledAmentum 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.

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