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System Security Engineer

Essnova Solutions, Inc.Washington, District of Columbia🇺🇸United StatesPosted Oct 7, 2026

Why This Role Stands Out

This hybrid System Security Engineer role offers an exciting opportunity to lead critical cybersecurity efforts for federal contracts, fostering significant professional growth and skill development within a reputable company. You'll thrive here if you are a mid-senior level professional with a Secret Clearance, eager to contribute to vital national security missions and collaborate within a high-quality team environment. Apply now to explore this impactful position and advance your career in cybersecurity.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Washington, District of Columbia, United States
Posted
1 week ago

Job Description

System Security Engineer — Key Personnel

ESS VIII | Federal Proposal Opportunity

Proposal Opportunity
This position is being recruited in support of the ESS VIII Multiple Award Task Order Contract (MATOC) proposal. Employment is contingent upon contract award, final customer requirements, and position availability.

About Essnova
Essnova Solutions, Inc. brings talented professionals together to support federal customers and their missions. We are seeking experienced professionals who value collaboration, accountability, and high-quality work to join our team in support of this proposal opportunity.

About the Role
Essnova Solutions is seeking a System Security Engineer to lead cybersecurity engineering efforts supporting electronic security systems (ESS) platforms and operational technology (OT) environments. This position will ensure ESS solutions comply with DoD cybersecurity requirements and support Risk Management Framework (RMF) activities.

Primary Responsibilities

  • Lead cybersecurity integration for electronic security systems solutions.
  • Support RMF package development and maintenance.
  • Develop and implement Security Technical Implementation Guide (STIG) compliance requirements.
  • Support Authority to Operate (ATO) and Authorization to Connect (ATC) processes.
  • Perform cybersecurity assessments and vulnerability analysis.
  • Develop System Security Plans (SSPs) and supporting documentation.
  • Coordinate with Information System Security Managers (ISSMs).
  • Review network architectures and security controls.
  • Conduct cybersecurity risk assessments and mitigation planning.
  • Support security accreditation activities during installation and modernization projects.

Minimum Qualifications

  • Secret Clearance
  • Bachelor’s degree in Information Security, Engineering, Computer Science, or a related discipline.
  • Minimum of 7 years of cybersecurity engineering experience.
  • Experience supporting RMF implementation within DoD environments.
  • Knowledge of NIST, DoD cybersecurity policies, and STIG implementation.

Preferred Qualifications

  • Certified Information Systems Security Professional (CISSP).
  • Security+.
  • CompTIA Advanced Security Practitioner (CASP+).
  • Certified Cloud Security Professional (CCSP).
  • Experience supporting electronic security systems within classified or controlled facilities.
  • Prior USACE or DoD cybersecurity experience.

Equal Employment Opportunity
Essnova Solutions, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, or any other characteristic protected by applicable law.

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