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Network and Cybersecurity Engineer

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Amentum
Full Time position
Listed on 2026-09-11
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection
Salary/Wage Range or Industry Benchmark: 183000 - 203000 USD Yearly USD 183000.00 203000.00 YEAR
Job Description & How to Apply Below

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. This position is contingent upon award of contract, business needs, security clearance verification, and funding availability.

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.

#javelin

This position is not designated as a safety‑sensitive position

As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug‑free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment. Employment is contingent upon successful completion of the drug screening process. Please note that this may include pre‑hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government.

Other

Responsibilities

Safety
- Amentum enforces a safety culture whereby all employees are responsible for continuously developing…

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