Senior Systems Administrator - Cybersecurity & Network Operation with Security Clearance

Three Saints Bay, LLC; Philadelphia (Philadelphia County); On-site; USD 110,000 - 140,000; Full time

Job summary

Three Saints Bay, LLC seeks a Senior Systems Administrator to secure and manage enterprise IT systems for Navy programs, including NSWCPD and NAVSEA SEA21.

Responsibilities include deploying tools, maintaining servers, and implementing DoD-aligned cybersecurity controls, with collaboration across engineering and program teams to ensure operational readiness.

Qualifications

• Secret Clearance required and active.
• Bachelor's degree in Information Technology, Engineering, Computer Science, or Information Systems.
• Minimum years and level requirements per role (Level IV 10+ years; Level III 7+ years).
• Experience supporting NSWCPD and NAVSEA SEA21 programs or similar DoD projects.
• Advanced cybersecurity and systems integration capabilities.
• Demonstrated ability to implement DoD-aligned cybersecurity guidance.

Responsibilities

• Administer and secure enterprise 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.

Skills

Cybersecurity proficiency

Systems integration

Network administration

Education

Bachelor's degree in Information Technology

Bachelor's degree in Engineering

Bachelor's degree in Computer Science

Bachelor's degree in Information Systems

Tools

CASP+ CE

CCNP Security

CISA

CISSP

GCED

GCIH

CySA+ CE

GICSP

GSEC

Security+ CE

SSCP

Job description

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 SEA21. 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 SEA21 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. VEVRAA Federal Contractor Three Saints Bay, LLC and its subsidiaries offer a team-oriented working environment and the opportunity to work with exceptional, dedicated industry professionals. We offer our employees a comprehensive benefits package and the opportunity to take part in exciting projects with government and commercial clients, both domestic and international. We are an Equal Opportunity Employer. We invite resumes from all interested parties without regard to race, color, sex, sexual preference, religion, creed, national origin, age, genetic information, marital or veteran status, disability, or any other category protected by federal, state, or local law.