vulnerability-remediation 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).

Network engineer providing advanced engineering, integration, and sustainment support for Navy anti-terrorism/force protection networked systems. Responsibilities include engineering and configuring Juniper, Aruba, Cisco, Antaira, and Cambium network equipment; deploying and troubleshooting networks across labs, shore facilities, and data centers; implementing secure architectures aligned with RMF and STIGs; performing system hardening and vulnerability remediation; and conducting site surveys and installations during 50%+ travel.…See more Requires an active interim Secret clearance with ability to obtain fully adjudicated Secret clearance, bachelor's degree and 5 years of network experience (or HS diploma and 8 years), DoD 8570/8140 baseline certification, and hands-on expertise with Juniper, Aruba, and Cisco platforms.

Network Engineer III will design, implement, and maintain enterprise network infrastructure for a DoD environment, configuring and troubleshooting routers, switches, firewalls, and security devices. The role requires hands-on expertise in TCP/IP, OSPF, VLANs, IPsec, and network segmentation, with responsibility for vulnerability remediation, STIG compliance, and RMF requirements.…See more The engineer will coordinate cross-functional teams to resolve connectivity and interoperability issues, maintain network documentation and baselines, and support system integrations and upgrades in classified or highly regulated DoD networks. A Secret-level DoD security clearance is required, along with 5–7 years of progressive network engineering experience and Security+ certification.

Network engineer providing advanced engineering, integration, and sustainment support for Navy AT/FP networked systems worldwide. Responsible for engineering, configuring, and sustaining Juniper, Aruba, Cisco, and specialized switching solutions across NIWC labs, shore facilities, and data centers.…See more Requires hands-on expertise in enterprise networking (routing, VLANs, VPNs, firewalls), system hardening, RMF/STIG compliance, and field deployment with 50%+ travel. Must hold or obtain a Secret clearance and DoD 8570 baseline certification (Security+ or higher, plus Juniper/Cisco vendor certs).

Network Engineer supporting Navy AT/FP systems will engineer, configure, and sustain Juniper, Aruba, and Cisco network equipment across NIWC Pacific and Naval installations worldwide. The role encompasses end-to-end system lifecycle management—staging, integration, testing, fielding, and sustainment—with emphasis on secure network architectures aligned with RMF and STIGs, system hardening, and compliance validation.…See more Requires hands-on expertise in Juniper (EX/QFX/SRX), Aruba (switching and wireless), Cisco (Catalyst, ISR, ASA), routing protocols (OSPF, BGP), VLANs, VPNs, and firewalls. Must hold an active interim Secret clearance with ability to obtain fully adjudicated Secret clearance, DoD 8570/8140 baseline certification (Security+, JNCIA, or CCNA minimum), and 5+ years experience with a bachelor's degree or 8+ years with HS diploma.

Network Engineer responsible for engineering, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, and Cambium platforms. Manage end-to-end system lifecycle from staging through sustainment, deploy secure network architectures aligned with RMF and STIGs, and perform system hardening and vulnerability remediation.…See more Support integration in DoD labs, shore facilities, and data centers, with frequent travel to customer sites for installations, troubleshooting, and operational verification. Requires minimum 8 years of network engineering experience, DoD Secret clearance, and hands-on expertise in Juniper, Aruba, and Cisco switching, routing, and firewall technologies.

Network Engineer supporting Navy AT/FP systems sustainment, responsible for engineering, configuring, and maintaining advanced networking hardware (Juniper, Aruba, Cisco) across NIWC Pacific and Naval installations worldwide. The role requires hands-on deployment, integration, and troubleshooting of networked systems in lab and field environments, with emphasis on secure architectures aligned with RMF and STIGs.…See more Candidates must hold an active interim Secret clearance with ability to obtain full adjudication, DoD 8570/8140 baseline certification, and 5+ years of experience (or 8+ with HS diploma) with demonstrated expertise in enterprise routing, switching, wireless, and firewall platforms.

Design, engineer, and sustain mission-critical networked systems for DoD customers, with hands-on responsibility for Cisco, Juniper, and Aruba platforms across switching, routing, firewalls, and wireless. Deploy end-to-end network solutions in labs, shore facilities, and shipboard environments; implement secure architectures aligned with RMF and STIGs; perform system hardening and vulnerability remediation.…See more Requires 8+ years of network engineering experience, DoD Secret clearance, and DoD 8570/8140 baseline certification (Security+ minimum).

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 Windows Platform Engineer will administer, secure, and maintain enterprise Windows Server environments (2016, 2019, 2022) across a large-scale Department of Defense network. Responsibilities include patching, vulnerability remediation, STIG compliance, IAVA remediation, and full infrastructure lifecycle management (installation, configuration, monitoring, upgrades, decommissioning).…See more The role requires 2–5 years of Windows Server and enterprise systems administration experience, an active Secret clearance, and current Security+ certification.

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.

Network engineer responsible for engineering, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, and Cambium platforms. The role spans end-to-end system lifecycle activities—staging, integration, testing, fielding, and sustainment—with emphasis on secure network architecture, compliance (RMF, STIGs), vulnerability remediation, and hands-on field deployment.…See more Requires 8+ years of DoD or enterprise network engineering experience, hands-on expertise with Juniper Junos OS, Aruba switching/wireless, Cisco switching/routing/firewalls, and DoD 8570/8140 certification (Security+ minimum). Involves frequent travel (50%+) to customer sites, shipboard environments, and remote troubleshooting.

A Software Integration Engineer at SAIC will design, develop, and deploy a hybrid container/virtualization platform supporting enterprise-scale workloads across on-prem and cloud environments. The role encompasses infrastructure-as-code automation, Kubernetes cluster configuration, DevSecOps practices, and integration of core platform services (identity/SSO, PKI, DNS, logging/SIEM, monitoring, secrets management).…See more Responsibilities include automating verification/validation, establishing CI/CD pipelines and standard operating procedures, supporting GPU-enabled AI/ML workloads, and mentoring junior engineers on cloud-native best practices. The position requires 7–9+ years of experience with cloud platforms (AWS, Azure, GCP), containerization (Kubernetes, Docker), virtualization (VMware, Hyper-V, KVM), infrastructure-as-code tools (Terraform, Ansible, Puppet), and DevSecOps toolchains (ArgoCD, GitLab, Jenkins).

Network engineer responsible for engineering, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, and Cambium platforms. Supports end-to-end system lifecycle from staging through sustainment, deploys and troubleshoots networks in labs, shore facilities, and data centers, and implements secure network architectures aligned with RMF and STIG standards.…See more Requires 8+ years of hands-on network engineering experience, DoD Secret clearance, and certifications such as Security+, CCNA/JNCIA or higher, with expertise in Layer 2/3 technologies, VPNs, firewalls, and wireless deployments.

Network Engineer supporting Navy AT/FP systems at NIWC Pacific, responsible for engineering, configuring, and sustaining advanced networking equipment (Juniper, Aruba, Cisco) across shore facilities and data centers worldwide. Design and implement secure network architectures compliant with RMF and STIGs, perform system hardening and vulnerability remediation, and support end-to-end lifecycle from staging through sustainment.…See more Requires active interim Secret clearance with ability to obtain full adjudication, bachelor's degree plus 5 years experience (or HS diploma plus 8 years), DoD 8570/8140 baseline certification, and hands-on expertise in Juniper Junos OS, Aruba switching/wireless, Cisco switching/routing/firewalls, Layer 2/3 protocols, and mission-critical system support.

Network Engineer supporting Navy AT/FP systems worldwide, responsible for engineering, configuring, and sustaining Juniper, Aruba, and Cisco network platforms across shore facilities and data centers. Role requires hands-on expertise in network design, integration, testing, and lifecycle sustainment, with emphasis on secure architectures, RMF compliance, system hardening, and vulnerability remediation.…See more Candidate must hold an active interim Secret clearance with ability to obtain full Secret adjudication, travel 50%+ to CONUS/OCONUS sites, and support mission-critical networked systems protecting Navy installations from security threats.

Network Engineer supporting Navy AT/FP systems, responsible for engineering, configuring, and sustaining Juniper, Aruba, Cisco, and specialized networking equipment across shore facilities and deployed environments. The role involves end-to-end system lifecycle support including staging, integration, testing, fielding, and sustainment; implementation of secure architectures compliant with RMF and STIGs; and hands-on site surveys and system installs with 50%+ travel.…See more Requires active Interim Secret clearance with ability to obtain fully adjudicated Secret; DoD 8570/8140 baseline certification (Security+ CE or higher); and 5+ years of experience with hands-on expertise in Juniper Junos OS, Aruba ArubaOS/wireless, and Cisco platforms.

System Administrator II supporting Naval IT operations with focus on front-office workstation and user account management. Responsibilities include troubleshooting Windows endpoints, managing Active Directory and user access, maintaining compliance with Navy security standards (SAAR-N, CMAR), and providing technical support across NIPR/SIPR networks.…See more The role requires hands-on experience with Navy-specific tools (NET, NEST, NIS), helpdesk ticketing workflows, endpoint security patching, and collaboration with cybersecurity and network teams.

This role supports maintenance, security, and configuration of Windows and Linux environments for a DoD tactical shipboard system (CANES). Responsibilities include maintaining system software and firmware, developing automation scripts for patch deployments, implementing DISA STIG compliance and security hardening, performing vulnerability remediation, and managing software version control and configuration management.…See more The candidate must hold an active Secret clearance, have 5–7 years of systems administration experience, and demonstrate proficiency in PowerShell, Bash, or Python scripting alongside hands-on Windows/Linux administration.

As a Network Engineer supporting Navy installations, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco) across NIWC Pacific and shore facilities. You'll manage the complete system lifecycle from staging through sustainment, implement secure network architectures aligned with RMF and STIGs, and support both lab and field deployments with 50%+ travel.…See more The role requires hands-on expertise with routing protocols, VLANs, VPNs, firewalls, and wireless deployments, along with DoD 8570 baseline certification and an active Secret clearance.

Director-level role managing infrastructure and operations for a healthcare systems company. Responsible for leading on-premises data center and enterprise facilities infrastructure, overseeing Windows/Linux servers, virtualization (VMware), SAN/NAS storage, disaster recovery, cloud platforms (Azure, AWS, GCP), networking (LAN/WAN, SD-WAN, firewalls, DNS, DHCP), identity and access management, and infrastructure monitoring.…See more Requires 10 years of subject-matter expertise, 8 years supervisory experience, and deep knowledge of IT service management, infrastructure automation, and compliance.

Network engineer providing advanced engineering, integration, and sustainment support for Navy AT/FP systems across global installations. You will engineer, configure, and sustain Juniper, Aruba, Cisco, and Antaira networking equipment; deploy and troubleshoot networks in labs, shore facilities, and data centers; implement secure network architectures aligned with RMF and STIGs; and conduct site surveys and operational verification testing during 50%+ travel.…See more Requires active interim Secret clearance with ability to obtain fully adjudicated Secret clearance, bachelor's degree plus 5 years experience (or HS diploma plus 8 years), DoD 8570/8140 baseline certification (Security+ CE or higher), and hands-on experience with Juniper, Aruba, and Cisco platforms.

This onsite role administers and secures Windows 11 and Red Hat Enterprise Linux (RHEL) systems supporting NIWC Pacific's mission-critical RDT&E networks and secure enclaves. The administrator will develop PowerShell and Bash automation scripts, implement Ansible playbooks, harden systems to DISA STIGs and DoD cybersecurity standards, manage vulnerability remediation and patching, and support infrastructure design and modernization.…See more The position requires 3+ years each of Windows and RHEL administration experience, strong scripting and troubleshooting skills, and an active Secret clearance with a DoD 8570/8140 IAT Level II certification (Security+, GSEC, SCNP, or SSCP).

Network Engineer responsible for engineering, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, and Cambium equipment. The role spans the full system lifecycle—staging, integration, testing, fielding, and sustainment—with emphasis on secure network architectures aligned with RMF and STIGs, vulnerability remediation, and compliance validation.…See more You will deploy and troubleshoot networks in NIWC labs, shore facilities, and data centers, conduct site surveys and installations, and interface with government customers, program managers, and cybersecurity teams. Minimum 8 years of DoD or enterprise network engineering experience, hands-on expertise with Juniper (Junos OS, EX/QFX/SRX), Aruba (ArubaOS, Instant AP, Aruba Central), and Cisco (Catalyst, ISR, ASA, Firepower) required; DoD 8570/8140 certification (Security+, CISSP, CASP+, or higher) and relevant vendor certifications (JNCIA/CCNA or higher) mandatory.

As a Network Engineer supporting Navy AT/FP systems at NIWC Pacific, you will engineer, configure, and sustain Juniper, Aruba, and Cisco networking equipment across CONUS and OCONUS installations. You'll design and implement secure network architectures compliant with RMF and STIGs, perform system hardening and vulnerability remediation, and support end-to-end lifecycle activities from staging through fielding.…See more The role requires hands-on expertise in switching, routing, wireless, VPNs, and firewalls, with 50%+ travel to shore facilities and data centers. You must hold an active interim Secret clearance with ability to obtain a fully adjudicated Secret clearance, plus DoD 8570/8140 baseline certification (Security+ CE or higher, and Juniper JNCIA or Cisco CCNA or higher).