gicsp jobs in San Diego

This Senior Systems Administrator role supports U.S. National Security by maintaining critical enterprise infrastructure, including Windows servers, domain controllers, cloud resources, and VMware environments.…See more The position requires hands-on administration of secure networks, troubleshooting of cryptographic encryptors (TACLANE/KG-175), performing vulnerability remediation with ACAS/Nessus, and executing rapid incident response for site outages. The role demands an active Top Secret clearance with SCI eligibility, 2+ years of direct systems/network administration experience, and 4+ years managing enterprise Windows infrastructure (AD, DHCP, DNS, GPO, WSUS).

Cybersecurity Engineer I supporting Assessment & Authorization accreditation efforts under the NIWC PAC contract. Responsibilities include maintaining cybersecurity monitoring operations, conducting vulnerability assessments, performing incident triage, developing A&A documentation (SSP, SAP, SAR), managing POA&Ms, and adhering to Risk Management Framework and eMASS scheduled tasking cycles including STIG checks and ATO/ATC processes.…See more Requires a Bachelor's degree in Cybersecurity, IT, or related field, 1+ years of relevant experience, and IAT II certification (CySA+, Security+, CCNA Security, GICSP, GSEC, or SSCP).

The Cybersecurity Engineer II will perform system hardening, vulnerability assessments, and remediation on Windows and Linux systems in accordance with DoD standards. Responsibilities include STIG implementation, vulnerability scanning using ACAS, patch management, compliance support, and documentation.…See more The role requires 5 years of hands-on experience with system hardening, vulnerability assessment tools, and both Linux and Windows remediation, plus a relevant Bachelor's degree and one of several security certifications (CCNA, CySA+, GICSP, GSEC, Security+, or SSCP).

Seeking an experienced Systems Administrator to maintain critical defense enterprise infrastructure in San Diego, including Windows servers, domain controllers, cloud resources, and VMware environments. The role requires dual network and systems administration responsibilities, including TACLANE cryptographic encryptor configuration, troubleshooting site outages, vulnerability remediation (ACAS/Nessus), system hardening, and user account management.…See more Requires 4+ years designing and deploying enterprise Windows infrastructure (AD, DHCP, DNS, GPO, WSUS) and 2+ years in a Network or Systems Administrator role, plus DoD 8570 IAT Level II compliance (Security+ or equivalent).

The Security Control Assessor – Representative will perform risk-based reviews and evaluations of system security plans (SSPs) for classified systems under the Risk Management Framework (RMF), making authorization recommendations. The role requires expert knowledge of NIST 800-53 security controls, DoD/DCSA policies, and the NISP eMASS platform to assess compliance artifacts, document findings, and provide defensible security authorization decisions.…See more The candidate must hold an IAT Level II certification (Security+, CCNA Security, CSA+, GICSP, GSEC, or SSCP) and an active Secret clearance to evaluate classified system packages against government technical standards.

ManTech seeks a Systems Administrator to maintain critical enterprise infrastructure for national security operations in San Diego, supporting the 0100–0900 morning shift. The role requires administering Windows servers, domain controllers, cloud resources, and VMware environments; configuring and troubleshooting KG-175 (TACLANE) cryptographic network encryptors; performing vulnerability remediation with ACAS/Nessus; and executing rapid incident response and site outage troubleshooting.…See more Candidates must have 4+ years of enterprise Windows infrastructure experience (AD, DHCP, DNS, GPO, WSUS), hands-on TACLANE configuration expertise, and DoD 8570 IAT Level II compliance (Security+ CE or equivalent). The position includes up to 25% travel (CONUS/OCONUS) and requires an active Top Secret clearance with SCI eligibility.

Systems Administrator II supporting a U.S. Government RDT&E network.…See more Responsible for Windows system administration, troubleshooting hardware and software issues, applying security patches and STIGs to desktops, and managing Microsoft and Adobe products. Requires Secret clearance and IAT Level II certification (CySA+, Security+, CCNA Security, GICSP, GSEC, or SSCP); minimum 1+ year Windows OS experience.

Associate Pathways Computer Systems Analyst supporting classified government contracts on information system lifecycle activities. The role involves resolving technical problems across hardware, software, networks, and telecommunications systems for internal customers; managing ticketing systems (ServiceNow, JIRA); and supporting multi-user computer environments under security policies.…See more Requires a Bachelor's or Master's degree, basic Windows Server OS knowledge, and ability to obtain a U.S. Government Systems Administrator certification (Cloud+, GICSP, GSEC, Security+, or SSCP) within 6 months.

Develop, secure, and maintain software applications for the U.S. Navy across classified and unclassified environments.…See more Design and build web applications and REST/SOAP/GraphQL APIs, implement secure coding practices per DoD directives and DISA STIGs, and support CI/CD DevSecOps pipelines. Requires proficiency in Python and JavaScript, Agile/Scrum methodologies, test-driven development, and containerized deployment; active Secret clearance and DoD 8570 IAT Level II certification mandatory.

Senior Software Engineer supporting a DoD IT management contract in San Diego. Develop and maintain secure applications using Python and JavaScript, build REST/SOAP/GraphQL APIs, and work within containerized environments (Docker, Kubernetes, OpenShift).…See more Must implement DoD-compliant secure coding practices, DISA STIGs, and DevSecOps/CI/CD pipelines in an Agile/Scrum environment with a required active Secret clearance and IAT Level II certification.

This mid-level Systems Engineer role focuses on deploying, managing, and maintaining Red Hat OpenShift clusters in on-premises government environments. Core responsibilities include Kubernetes and OpenShift administration, Linux system management, cluster monitoring and troubleshooting, security hardening (including STIG implementation), and collaboration with development teams.…See more The role requires an active Secret clearance, one DoD 8570 IAT Level II certification (Security+, CySA+, CCNA Security, GICSP, GSEC, or SSCP), and 1+ years of OpenShift experience plus 3–5 years of Linux administration background.

Software Engineer I developing, enhancing, and maintaining mission-critical DoD applications using Python, JavaScript, and modern web services (REST APIs, SOAP, GraphQL). The role emphasizes secure coding practices, DevSecOps, CI/CD, and Test-Driven Development within an Agile/Scrum environment, with close collaboration across engineering, cybersecurity, and government stakeholders.…See more Requires database schema design, application architecture work, troubleshooting, code reviews, and deployment activities. Bachelor's degree in Computer Science or related field required; active Secret clearance and DoD 8570/8140 IAT Level II certification (Security+, CySA+, SSCP, GSEC, GICSP, or CCNA Security) mandatory.

ManTech seeks a Systems Administrator to support national security infrastructure in San Diego, maintaining Windows servers, domain controllers, cloud resources, and VMware environments. The role combines network and systems administration, including configuring cryptographic network encryptors (TACLANE), troubleshooting site outages, performing vulnerability remediation with ACAS/Nessus, and managing user accounts.…See more Requires a Bachelor's degree with 4+ years of IT experience (or equivalent), DoD 8570 IAT Level II compliance, and 2+ years as a Network or Systems Administrator with enterprise Windows infrastructure expertise. Travel up to 25% and an active Top Secret/SCI clearance with polygraph eligibility are required.

Systems Engineer II to deploy, manage, and monitor Red Hat OpenShift clusters in on-premises U.S. Government environments.…See more Responsibilities include cluster health monitoring, troubleshooting application and node errors, configuring security policies and user access controls, and performing updates and backups. Requires 1+ years of OpenShift experience, 3–5 years of Linux administration with in-depth Kubernetes knowledge, and a bachelor's degree in a quantitative field or equivalent experience.

ManTech seeks a Systems Administrator to maintain critical national security enterprise infrastructure in San Diego, working a 0100–0900 morning shift with on-call support. Responsibilities include administering Windows servers, domain controllers, cloud resources, and VMware environments; configuring and troubleshooting TACLANE cryptographic network encryptors; performing patch management, vulnerability remediation (ACAS/Nessus), and system hardening; and managing user accounts and ticketing incidents.…See more Requires a bachelor's degree with 4+ years of IT experience (or equivalent substitution), DoD 8570 IAT Level II compliance (Security+ CE or equivalent), 4+ years of enterprise Windows infrastructure design/deployment, and hands-on TACLANE encryptor experience. Up to 25% travel (CONUS and OCONUS) is required.

A senior network systems engineer responsible for designing, implementing, and maintaining enterprise network infrastructure including routing, switching, firewalls, and wireless systems. The role involves configuring and securing HPE Aruba and Palo Alto solutions, managing routing protocols (OSPF, BGP), implementing NAC and Zero-Trust architectures, and conducting network validation testing.…See more Requires 10+ years of network engineering experience, a bachelor's degree in a technical discipline, and an active Secret clearance with one of six specified IAT Level II certifications (Security+, CySA+, CCNA Security, GICSP, GSEC, or SSCP).

Tier 2 security operations center support role providing customer service and technical assistance for a government RDT&E network. Responsibilities include triaging security incidents, analyzing vulnerability scanner findings, assisting with STIG configuration and verification, and supporting endpoint security posture across networked systems.…See more Requires 1–3 years of IT service desk experience and an IAT Level II certification (Security+, CCNA-Security, GSEC, GICSP, or SSCP) plus Microsoft MCSA or equivalent.

The Network Engineer, Systems will provide engineering, administration, and operational support for complex enterprise and cloud-based network environments supporting U.S. Navy RDT&E initiatives.…See more Responsibilities include configuring and troubleshooting routing, switching, firewalls, and security solutions; monitoring network performance; managing cloud connectivity across AWS and Azure; and ensuring STIG compliance. The role requires 10+ years of enterprise network engineering experience, hands-on proficiency with Cisco/Aruba/Palo Alto platforms, routing protocols (OSPF, BGP, IPsec), cloud networking, and Zero Trust architectures. An active Secret Clearance and IAT II certification (Security+, CCNA Security, GSEC, CySA+, GICSP, or SSCP) are required.

Network Systems Engineer responsible for designing, implementing, and maintaining enterprise network infrastructure including routing, firewalls, wireless, and security solutions. The role requires 10+ years of network engineering experience and involves configuring HPE Aruba and Palo Alto systems, managing routing protocols (OSPF, BGP), implementing NAC and Zero-Trust architectures, and collaborating with cloud engineering teams and customer stakeholders.…See more Must hold an active Secret clearance and one of six specified security certifications (Security+, CySA+, CCNA Security, GICSP, GSEC, or SSCP).

This role supports mission-critical network operations for U.S. Navy RDT&E infrastructure, requiring 10+ years of enterprise network engineering experience.…See more The Network Engineer will design, configure, and maintain complex routing, switching, and firewall solutions across on-premises and cloud environments (AWS/Azure), implement Zero Trust and network security architectures, and ensure STIG compliance and high-performance connectivity. Hands-on expertise with BGP, OSPF, IPsec, VLANs, HPE Aruba, Palo Alto firewalls, and enterprise monitoring tools (Traffic Sentinel, Zabbix) is essential. An active Secret clearance and IAT II certification (Security+, CCNA Security, or equivalent) are required.

The Systems Administrator II maintains and supports IT infrastructure integrity, availability, and performance for a DoD contract environment. Key responsibilities include Active Directory administration (ADUC, DNS, GPO, WSUS), PKI credential management, system maintenance, software/hardware upgrades, troubleshooting, and compliance monitoring via DISA STIGs.…See more The role requires a Bachelor's degree in IT or related field, 3+ years of relevant experience, and an IAT Level II certification (CySA+, Security+, CCNA Security, GICSP, GSEC, or SSCP).

The Cybersecurity Engineer II will perform system hardening on Windows and Linux systems per DoD standards, implement and maintain STIGs, conduct vulnerability assessments using ACAS, and remediate security findings. The role requires 5 years of hands-on experience with STIG implementation, vulnerability assessment tools, vendor patching, and security compliance initiatives.…See more A Bachelor's degree in Cybersecurity or related field plus one or more certifications (CCNA, CySA+, GICSP, GSEC, Security+, or SSCP) and an active Secret clearance are required.

This role performs system hardening, vulnerability management, and STIG implementation across Windows and Linux systems in compliance with DoD cybersecurity standards. The Cybersecurity Engineer II will conduct vulnerability assessments using ACAS, analyze and remediate security findings, apply patches and updates, and support compliance and continuous monitoring activities.…See more The position requires a Bachelor's degree in Cybersecurity or related field, one or more IAT Level II certifications (CCNA, CySA+, GICSP, GSEC, Security+, or SSCP), and 5 years of demonstrated hands-on experience in system hardening and vulnerability remediation in DoD environments.

Seneca Resources seeks a senior Network Engineer to provide hands-on engineering and operational support for a secure, on-premises research and test network environment in San Diego. The role involves day-to-day troubleshooting and maintenance of routers and switches, multi-cloud connectivity across AWS and Azure, routing protocols (OSPF, BGP), IPsec tunneling, and network security hardening with STIG compliance.…See more You will design and maintain NAC solutions, enterprise wireless infrastructure, and implement Zero Trust concepts like dynamic segmentation using tools such as HPE Aruba, Palo Alto, inMon Traffic Sentinel, and Zabbix. The position requires an Active Secret clearance, IAT Level II certification, a Master's degree in Computer Science or IT, and 10+ years of enterprise network engineering experience.

The Network Engineer, Systems will provide engineering, administration, and operational support for complex RDT&E and secure network environments supporting U.S. Navy initiatives.…See more Responsibilities include configuring and maintaining routing, switching, firewall, and boundary protection solutions (HPE Aruba, Palo Alto); monitoring network performance with enterprise tools (Traffic Sentinel, Zabbix); implementing network security solutions (NAC, ClearPass, 802.1X, Zero Trust, IPsec); and managing cloud connectivity across AWS and Azure. The role requires 10+ years of enterprise network engineering experience, hands-on expertise with OSPF, BGP, IPsec, VLANs, cloud networking, STIG compliance, and firmware lifecycle management. Required qualifications include a Master's degree in Computer Science or related field, active Secret Clearance, and IAT II Certification (Security+, CySA+, CCNA Security, GSEC, GICSP, or SSCP).