Principle Information Security Systems Engineer - Remote Opportunity

Company: Serco

Location: United States (Remote)

Type: Full-time

Remote: Yes

Posted: 2026-05-05

About this role

### Position Description & Qualifications

If you like high profile and challenging cloud system security work supporting the readiness of America’s Navy ships, aircraft and expeditionary forces – Serco has a great opportunity for you! This Principle Information Security Systems Engineer (ISSE) will be working with a dynamic team supporting applications on the Defense Information System Agency (DISA) military cloud.

An active U.S. Department of War (DoW) Secret security clearance is required.

Bring your experience and collaborative skills to make an impact toward improving our military defense planning and combat readiness. Serco supports the U.S. Navy as the prime contractor for their Integrated Readiness Modeling, Technical and Professional Support Services contract. Our team conducts analysis and provides software development and lifecycle support for a portfolio of integrated applications used by the Navy to determine future fleet readiness requirements. You will be part of a 24-member team that works closely with the customer to ensure that our Navy is accurately resourced to provide the required level of maritime combat readiness.

In this role, you will:

  • Coordinate Enterprise Mission Assurance Support Service (eMASS) and DoD Risk Management Framework (RMF) efforts.
  • Monitor and maintain security controls and Plans of Action & Milestones (POA&Ms) for multiple cloud applications.
  • Maintain vulnerability scans and effect resolution.
  • Process eMASS workflows for cloud applications.
  • Maintain Authority to Operate systems.
  • Develop use cases as required.
  • Coordinate team security training.
  • Coordinate with Navy Qualified Validator to resolve control findings.
  • Coordinate efforts to ensure security documents are up to date.
  • Provide inputs to weekly and monthly government reports and support emerging government tasking.
  • Create and maintain information system security documentation, Standard Operating Procedures (SOP), and provide guidance...

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