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Cleared Information System Security Engineer (ISSE)

Northstrat
Fort Belvoir, United Statesfull_timeVerifiedPosted 30 Oct 2025

About the role

Northstrat is seeking an experienced and driven Information Systems Security Engineer (ISSE). The candidate will perform system or network designs that encompass multiple enclaves, to include those with differing data protection/classification requirements. The candidate should understand distributed architectures and cloud-based systems for big data applications. Must be local to Columbia, MD or Northern Virginia.

The ideal candidates shall possess a specific skill set beyond traditional compliance:

Essential Job Responsibilities:

  • Will create, review and edit authorization documentation for completeness and accuracy in accordance with federal and DoD policy.
  • Thoroughly understand and be able to implement DoD RMF system accreditation processes.
  • Assess use case and operational risk of integrated open source, and GOTS/COTS software components.
  • Will use vulnerability management systems, automated security scanning tools, and system accreditation record systems.
  • Must be able to grasp new concepts, facilitate information exchanges for data gathering, and collaborate with diverse audiences.
  • Will follow established processes where applicable and establish and execute defensible processes where none are prescribed.
  • Provide security planning, assessment, risk analysis, and risk management support.
  • Recommend system-level solutions to resolve security requirements and guide the development team in meeting the security posture requirements.
  • Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures.
  • Must apply existing knowledge of IA policy, procedures, and workforce structure to design, develop, and implement secure networking, computing, and enclave environments.
  • Must be able to interact well with others to complete work.
  • Technical proficiency across technologies is paramount.

Requirements

  • You must have a current TS/SCI level with Active CI Poly U.S. Government clearance is required and therefore all candidates must be a U.S. Citizen.
  • At least 9+ years of experience as an ISSE with large multi-tiered programs and Bachelors in related field; OR 7 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 13 years relevant experience.
  • Experience implementing DoD system accreditation processes (DIACAP acceptable and RMF preferred).
  • Must have a working knowledge of TCP/IP suite of protocols and services, computer architectures, and network topologies is required.
  • DoD 8570 compliance with IAT Level II (SSCP, Security+, CCNA-Security, or GSEC certification)
  • Experience with DISA STIGs and SRGs, vulnerability management systems, mitigation and compliance processes, and reviewing results from automated security scanning tools.
  • Must be able to show the ability to work independently and as part of a team is needed.
  • Must have flexibility is essential to adapt to schedule changes as needed.

Desired Skills:

  • CISSP-ISSEP is highly desired

Benefits

Work/Life Balance

Northstrat values true work life balance. We offer power of choice benefits designed to best meet the needs of you and your lifestyle. Our benefits programs are designed to support and encourage wellness, healthy living, retirement investment, and lifetime learning.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We also offer competitive compensation, benefits, and professional development opportunities. Please refer to our Benefits section for additional details.  

Flex Time

Northstrat does not mandate specific working hours. Although project requirements may dictate schedules, a Northstrat employee is only required to work an average of 8 hours per weekday over the course of a month. For example: John worked 12 hours on June 1st to meet a project deadline. On June 15th, John only worked 4 hours because he left early for a long weekend. John’s IBA was not debited for time off because flex time allowed him to carry over those 4 hours from June 1st.

Individual Benefits Account (IBA)

To attract and retain the highest quality staff, Northstrat provides a unique and versatile benefits package, the Individual Benefit Account (IBA), which places the power of

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Company

Northstrat

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