Cybersecurity IT Professional

GBL Systems; Camarillo (CA); On-site; USD 83,000 - 165,000; Full time

Benefits offered by this job

401(k) retirement plan (Traditional &

Group medical insurance

Dental/Vision insurance

Life insurance

AD&D coverage

Paid holidays and PTO

Business casual work environment

Job summary

GBL Systems Corporation, based in Camarillo, CA, is seeking a Cybersecurity IT Professional to deploy, secure, and sustain mission-critical systems supporting DoW testing and experimentation. The role blends systems administration with cybersecurity compliance across on-prem, lab, cloud, and field environments.

Ideal candidates will have DoD/DoW experience, RMF/NIST knowledge, and hands-on Windows and Linux expertise, with active SECRET clearance and ability to obtain TS/SCI.

Qualifications

• Bachelor’s degree or equivalent technical/military experience.
• 5+ years of experience in cybersecurity, systems administration, network administration, information assurance, or enterprise IT.
• Hands-on experience administering Windows and Linux systems with vulnerability management and STIG implementation.
• Familiarity with RMF, NIST SP 800-53, ATO processes, and DoW cybersecurity requirements.
• Experience with virtualized environments, server infrastructure, storage, and enterprise applications.
• Strong troubleshooting, documentation, and communication skills.
• Ability to travel and support deployed systems and operational/test events.
• S. citizenship and current active SECRET clearance; ability to obtain TS/SCI clearance on hire.

Responsibilities

• Deploy, configure, administer, and sustain Windows and Linux systems, servers, applications, and supporting infrastructure.
• Implement cybersecurity controls per DoW policies and RMF requirements.
• Perform vulnerability scanning, remediation, patch management, system hardening, and STIG compliance.
• Monitor system availability, performance, security posture, and operational health.
• Manage user accounts, access controls, permissions, PKI, and authentication requirements.
• Support incident response, log analysis, cybersecurity investigations, and corrective actions.
• Maintain configuration baselines, hardware/software inventories, and system documentation.
• Support system deployment, integration, troubleshooting, and sustainment during field exercises and operational events.
• Coordinate with engineers, cybersecurity personnel, Government stakeholders, and mission operators.

Skills

Cybersecurity

Windows admin

Linux admin

RMF/NIST SP 800-53

Vulnerability management

Documentation

Communication

Travel readiness

Security clearance readiness

DoD/DoW experience

Education

Bachelor’s degree in Cybersecurity or related field

Equivalent technical or military experience

Tools

ACAS

eMASS

STIGs

DoD vulnerability mgmt

Virtualization

Job description

GBL Systems Corporation is a leading systems engineering and software development firm with a 35+ year history of providing technical support to the U.S. Government in the areas of Avionics / Armament Systems, Electronic Warfare, Network Centric Warfare and Modeling & Simulation. GBL is based in Camarillo, CA.

GBL Systems is seeking a Cybersecurity IT Professional to support the secure deployment, operation, sustainment, and cybersecurity compliance of instrumentation, networking, data management, and mission support systems supporting Department of War (DoW) test and experimentation activities. This hands-on position combines systems administration with cybersecurity implementation and compliance across on-premises, laboratory, cloud, and deployed operational environments.

Primary Duties and Responsibilities:

• Deploy, configure, administer, and sustain Windows and Linux systems, servers, applications, and supporting infrastructure.
• Implement cybersecurity controls in accordance with DoW policies, RMF requirements, and organizational security standards.
• Perform vulnerability scanning, remediation, patch management, system hardening, and STIG compliance. Support RMF, ATO, cybersecurity documentation, and continuous monitoring activities.
• Monitor system availability, performance, security posture, and operational health.
• Manage user accounts, access controls, permissions, PKI, and authentication requirements.
• Support incident response, log analysis, cybersecurity investigations, and corrective actions.
• Maintain configuration baselines, hardware/software inventories, and system documentation.
• Support system deployment, integration, troubleshooting, and sustainment during field exercises and operational events.
• Coordinate with engineers, cybersecurity personnel, Government stakeholders, and mission operators.

Preferred Qualifications:

• Experience supporting DoD/DoW T&E, RDT&E, laboratory, range, or deployed operational environments.
• Experience with ACAS, eMASS, STIGs, and DoD vulnerability management processes.
• Experience supporting secure networks, tactical/deployable systems, or classified environments.
• DoD 8140/8570-aligned cybersecurity certification, such as Security+, CISSP, or equivalent.

Job Qualifications:

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, Information Systems, or related discipline; equivalent relevant technical or military experience may substitute.
• 5+ years of experience in cybersecurity, systems administration, network administration, information assurance, or enterprise IT.
• Hands‑on experience administering Windows and Linux systems. Experience with vulnerability management, patching, system hardening, and STIG implementation.
• Familiarity with RMF, NIST SP 800‑53, ATO processes, and DoW cybersecurity requirements.
• Experience with virtualized environments, server infrastructure, storage, and enterprise applications.
• Strong troubleshooting, documentation, and communication skills.
• Ability to travel and support deployed systems and operational/test events.
• S. citizenship and current active SECRET clearance required.
• Ability to obtain and maintain a TS/SCI clearance upon hire is required.

Benefits:

• Competitive salary
• Outstanding 401(k) retirement plan with both Traditional and Roth options and generous corporate contributing
• Group medical insurance
• Dental/Vision Insurance
• Life insurance
• AD&D coverage
• Paid holiday and Paid Time Off
• Business casual work environment

GBL is an Equal Employment Opportunity employer.

Salary Range: $83,449 USD to $165,000 USD. USD. Salary is based on current qualifications, related experience, and contractual requirements which could fall outside of this range.