Network Security Officer

Pae.wd1.amentum Careers

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OCONUS-Diego Garcia Until 9/19/2026 3+ years exp H-1B sponsor history First posted July 21, 2026 Last posted July 21, 2026
Job description

Amentum, a global leader in advanced engineering, technical, and professional services serving the US government, allies and critical infrastructure sectors, is seeking a Network Security Officer (NSO) to support a government contract based on the island of Diego Garcia.

PURPOSE / SCOPE

The NSO is responsible for overseeing the network infrastructure within the Program to include cyber security, safety, and protection of the systems and data.  Will monitor to proactively protect against any emerging threats while maintaining current knowledge and training to consistency provide Program security to data and systems.  NSO will perform other duties as assigned by Program leadership.

The NSO will be available for on-call support as needed 24 hours/day, 7 days/week in this role.

QUALIFICATIONS

  • Bachelor’s degree from an accredited four-year college or university with a major in computer science / engineering, electrical engineering, computer science, or equivalent combination of experience, education and training
  • Will perform duties per SECNAV M-5239.2
  • Must have three years’ experience in a similar role preferably in the military or a government installation.
  • Must have Security + / CISM / CISSP
  • Must be familiar with current global, US, Program and PWS requirements
  • Excellent organizational and time management skills
  • Ability to obtain and maintain a US passport and driver's license throughout employment in this role
  • Ability to successfully pass PACOM medical requirements and maintain requirements for duration of deployment
  • Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location.

WORK ENVIRONMENT, PHYSICAL DEMANDS

  • Able to stand for long periods of time such as eight (8) to ten (10) hours, bend, kneel, and reach to store/retrieve supplies
  • Able to lift, carry, and push supplies and boxes up to 50 pounds
  • Living and working conditions at the assignment location could be remote and uncomfortable
  • May work in a typical office environment

OTHER RESPONSIBILITIES

  • Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks, and serving on safety committees and teams.
  •  Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.
  •  Procedure Compliance - Each employee must read, understand, and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to job.
About this role

Summary

Oversee network security, monitor threats, ensure program data and system protection.

Job title

Network Security Officer

Experience level

3+ years

Minimum experience

3+ years exp

Industry

engineering

Location requirements

onsite in Diego Garcia, US citizen required, remote work not allowed.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Security+CISMCISSP

Preferred skills

None specified

Specializations

cyber securitynetwork infrastructureinformation securitysecurity standards
Locations

Structured locations inferred from the posting.

Unknown location

On-site
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