Information Systems Security Engineer with Security Clearance

Information Systems Security Engineer Zachary Piper Solutions is seeking an Information Systems Security Engineer (ISSE) to support a company focused on ballistic missile defense testing and evaluation within a Department of Defense RDT&E environment. This position is 100% on-site in San Diego, CA. The Information Systems Security Engineer will provide hands-on Windows systems administration, cybersecurity compliance support, and network troubleshooting for a classified testing environment. Join a mission-critical team supporting national defense initiatives while expanding your expertise in RMF, ATO, and cybersecurity engineering. Responsibilities for the Information Systems Security Engineer include:

• Administer and maintain Windows desktop and server environments supporting classified test and evaluation operations.
• Support RMF activities, develop cybersecurity artifacts, and assist with ATO/ATC package submissions through eMASS.
• Perform real-time network troubleshooting during test events, identifying routing and connectivity issues across multiple environments.
• Conduct ACAS scans, remediate vulnerabilities, implement STIG requirements, and harden systems in accordance with DISA standards.
• Develop and maintain technical documentation, system configurations, backup procedures, and network troubleshooting guides.

Required Qualifications for the Information Systems Security Engineer include:

• 3+ years of experience supporting RMF and ATO/ATC processes.
• 3+ years of Windows systems administration experience in enterprise or DoD environments.
• 2+ years of networking experience, including troubleshooting and routing analysis.
• Experience with eMASS, ACAS, STIG implementation, system hardening, scripting/automation, and security compliance activities.
• IAT Level II Certification: Security+ CE, GSEC, SCNP, or SSCP.
• Active Secret Security Clearance.

Preferred Qualifications for the Information Systems Security Engineer include

• Bachelor's degree in Computer Science, Physics, Mathematics, Electrical Engineering, or related field.
• Experience supporting NAS and SAN storage environments.
• Experience working with Linux-based ACAS scanners.
• Prior experience supporting classified DoD test, engineering, or missile defense programs.

Compensation for the Information Systems Security Engineer include: Salary Range: $125,000 - $135,000 depending on experience Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Sick Leave as required by law #LI-JM1 #LI-Onsite SEO Keywords: Information Systems Security Engineer, ISSE, Cybersecurity Engineer, RMF, Risk Management Framework, ATO, Authority to Operate, eMASS, Windows System Administrator, Windows Server Administration, ACAS, STIG, DISA STIGs, Vulnerability Management, Network Troubleshooting, Information Assurance, IAT Level II, Security+ CE, GSEC, SSCP, SCNP, Secret Clearance Jobs, DoD Cybersecurity, Missile Defense, RDT&E, NIWC Pacific, System Hardening, Cyber Compliance, Network Security, Linux ACAS Scanner, Defense Contractor Jobs, San Diego Cybersecurity Jobs, Classified Environment, Systems Engineer, Information Security.