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# Agile Core Services (ACS) Cybersecurity Subject Matter Expert (SME)

- **Company:** Epsilon Systems Solutions, Inc.
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Salary:** $55,900.0 - $80,000.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Amazon Web Services, Systems Engineering, CompTIA Security+, Cyber Security, Software Engineering, Information Technology, Comptia Linux+, Cyber Warfare
- **Published:** September 24, 2026
- **Apply:** https://www.jofdav.com/jobs/59849953-agile-core-services-acs-cybersecurity-subject-matter-expert-sme

## About the Role

Epsilon C5I (www.epsilonsystems.com/c5i), focused on software development and systems engineering for complex command, control, intelligence and combat systems, is seeking a Cyber Security Engineering SME with a minimum of 5 years' experience for work in San Diego, CA. Our engineering efforts provide the warfighter with tools to support critical support to operational missions to improve targeting capabilities. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment - read on!, * Bachelor's degree in Cybersecurity, Computer, Electrical, or Electronics Engineering, or Mathematics with a concentration in computer science or equivalent.

 * A minimum of DoD Information Assurance Technical (IAT) Level II Certification or eligibility is required for this position.
 * Five (5) years of notable experience preparing, implementing, and ensuring compliance with cybersecurity policy, to include Assessment and Authorization requirements.
 * Strong interpersonal skills, telephone etiquette, and professional demeanor.
 * Excellent oral and written communication skills.
 * Effective team player with highly proficient customer service skills.
 * Flexible and able to work in a dynamic, team-oriented environment.
 * Candidate must have an active DoD Top Secret Clearance with SCI access.
 * Pursuant to the various government contractual requirements, all applicants must be U.S. Citizens.

Additional preferred qualifications:

 * Certifications such as CompTIA Security+ or CompTIA Linux+
 * AWS Cloud Practitioner Certification or Equivalent, * Regular communication (hearing/speaking).
 * Noise conditions range from very quiet to very noisy.
 * Prolonged use of computer (typing/keyboarding).
 * Frequently required to sit for long periods of time, stand, walk, and may occasionally lift and move at least 25 pounds.
 * Ability to travel by car, air or other means of transportation, if required.

## Description

* Plan, implement, upgrade, and/or monitor cybersecurity measures to improve cyber defense and maintain a cyber-resilient network.
 * Assess cybersecurity vulnerabilities for risks and propose and implement remediation actions or risk mitigation strategies.
 * Ensure appropriate security controls are in place that will safeguard digital files and electronic infrastructure.
 * Respond to computer security breaches to re-establish protections and make required reports.


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