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Senior Systems Administrator - Cybersecurity & Network Operation Jobs

Job in Philadelphia, Philadelphia County, Pennsylvania, 19102, USA
Listing for: Clearance Jobs
Full Time position
Listed on 2026-08-16
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator
Job Description & How to Apply Below

Senior Systems Administrator
- Cybersecurity & Network Operations

Ghostrock, a subsidiary of Three Saints Bay, LLC, and a Federal Government Contractor industry leader, is seeking a Senior Systems Administrator
- Cybersecurity & Network Operations. We are seeking a highly skilled Systems Administrator to support mission-critical IT and cybersecurity operations for Navy programs, including NSWCPD and NAVSEA SEA
21.

Position Responsibilities:

  • Administer and secure enterprise-level IT systems and networks
  • Support development and deployment of tools for Navy programs
  • Monitor and maintain server infrastructure, including web and file servers
  • Implement cybersecurity protocols and ensure compliance with DoD standards
  • Collaborate with engineering and program teams to support operational readiness

Position Requirements:

  • Secret Clearance
  • Education Requirements
    • Bachelor's degree from an accredited college or university in one of the following disciplines:
    • Information Technology
    • Engineering
    • Computer Science
    • Information Systems
  • Experience Requirements
    • Candidates may qualify at one of two levels:
  • Level IV
    • Minimum of ten (10) years of experience in IT and computer programming
    • At least three (3) years supporting development of tools for NSWCPD and NAVSEA SEA
      21 programs
    • Advanced proficiency in cybersecurity and systems integration
  • Level III
    • Minimum of seven (7) years of experience in engineering, computer science, or information systems
    • Demonstrated experience supporting daily operations of network systems including workstations, file servers, and web servers
    • Intermediate proficiency in cybersecurity and network administration
  • Required Certifications
    • Certifications must align with the Cybersecurity Workforce (CSWF) and DoD IAT Level standards:
  • Level IV - IAT-3 / Advanced CSWF Proficiency
    • One or more of the following:
      • CASP+ CE
      • CCNP Security
      • CISA
      • CISSP (or Associate)
      • GCED
      • GCIH
  • Level III - IAT-2 / Intermediate CSWF Proficiency
    • One or more of the following:
      • CCNP Security
      • CySA+
      • GICSP
      • GSEC
      • Security+ CE
      • SSCP

This position is in Philadelphia, PA.

Position Requirements
10+ Years work experience
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