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# Information Systems Security Engineer 3 - TS/SCI With Poly

- **Company:** Amentum Services, Inc.
- **Location:** Linthicum Heights, MD, United States
- **Salary:** $220,000.0 - $270,000.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Cyber Security, Network Security, Network Planning and Design, Public Key Infrastructure, Information Technology
- **Published:** June 12, 2026
- **Apply:** https://dejobs.org/x/x/623729FB48634F269CEDA55CE3964ECA/job/

## About the Role

* Twenty (20) years experience as an ISSE on programs and contracts of similar scope, type, and complexity to include recent experience within the last five (5) years with Cybersecurity principles and technology, including access/control, authorization, identification and authentication, PKI, network and enterprise security architecture is required.
 * Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required.
 * A Master's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline may be substituted for two (2) years of experience, reducing the requirement to eighteen (18) years of experience.
 * In lieu of a Bachelor's degree, four (4) additional years of ISSE experience may be substituted. DoD 8570 compliance with IASAE Level 3 is required.

Clearance Required: TS/SCI Poly

Minimum Education:

Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required. A Master's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline may be substituted for two (2) years of experience, reducing the requirement to eighteen (18) years of experience. In lieu of a Bachelor's degree, four (4) additional years of ISSE experience may be substituted.

Minimum Years of Experience:

Twenty (20) years experience as an ISSE on programs and contracts of similar scope, type, and complexity to include recent experience within the last five (5) years with Cybersecurity principles and technology, including access/control, authorization, identification and authentication, PKI, network and enterprise security architecture is required. In lieu of a Bachelor's degree four (4) additional years of ISSE experience may be substituted for a total of twenty-four (24) years of experience.

Required Certifications:

DoD 8570 compliance with IASAE Level 3 is required.

#javelin #ICpoly

## Description

* Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of secure networking, computing, and enclave environments
 * Apply knowledge of Cybersecurity policy, procedures, and workforce structure to design, develop, and implement secure networking, computing, and enclave environments
 * Interact with the customer and other project team members
 * Participate as the primary security engineering representative on engineering teams for the
 * design, development, implementation, evaluation, and/or integration of Cybersecurity architectures, systems, or system components
 * Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures
 * Support security planning, assessment, risk analysis, and risk management
 * Identify overall security requirements for the proper handling of Government data
 * Provide security planning, assessment, risk analysis, and risk management
 * Perform system or network designs that encompass multiple enclaves, to include those with differing data protection/classification requirements
 * Recommend system-level solutions to resolve security requirements


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