firewalls jobs in San Diego

The Software Installation Engineer conducts onsite software installations and system configurations at customer facilities, performing data migrations, system verifications, and testing across project iterations. The role requires hands-on expertise in Linux administration, networking hardware (routers, switches, firewalls), infrastructure-as-code tools, and security frameworks, with responsibility for troubleshooting, quality control implementation, and project documentation.…See more This individual will travel to customer sites to support installations, coordinate with project teams, and maintain compliance with security standards (RMF, STIGs, NIST controls).

A Senior Endpoint Engineer will stand up and manage Microsoft 365 (Exchange Online, SharePoint, Teams, Entra ID) and endpoint management platforms (Intune, Jamf) from scratch in a startup environment. Responsibilities include designing IT onboarding/offboarding workflows, implementing endpoint security policies (EDR, disk encryption, patch management, conditional access), managing vendor relationships and budgets, and providing Tier 1/2 technical support.…See more The role requires 4+ years of hands-on IT operations or systems administration experience, deep proficiency with Microsoft 365 and MDM/UEM platforms, strong networking fundamentals, and scripting ability (PowerShell, Bash, or Python); must support SOC 2 and ISO 27001 compliance.

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 the design and engineering of U.S. Navy networks, including developing network topologies, IP plans, and SD-WAN solutions.…See more The Network Engineer will configure L2/L3 switches, routers, and security appliances, create test plans and technical documentation, and troubleshoot network outages. The position requires 6+ years of DoD/government IT systems engineering experience, a Bachelor's degree in Engineering or Computer Science, CCNP certification, and an active DoD Secret clearance. The ideal candidate has hands-on experience with SDN/SD-WAN platforms (VMware NSX-T, Cisco, Juniper), network automation (Python, Ansible, NETCONF), and RF communications technologies.

GALT Aerospace seeks a Systems Engineer, Integration and Test to support integration and testing of networked communication systems, with day-to-day responsibilities including developing test plans and procedures, configuring systems for prototypes, installing and maintaining Windows/Linux servers, managing DNS/Exchange/Active Directory, deploying network infrastructure (switches, firewalls, servers), and troubleshooting network problems. The role requires 4+ years in testing, networking, or IT; proficiency in Linux and Windows; knowledge of routing, switching, VLANs, IP subnetting, and DoD computer/radio systems; and understanding of automation and implementation.…See more Preferred qualifications include network security devices, event management systems, Tactical Data Link, military communications experience, Python/JavaScript scripting, containerization, Ansible, and Agile/Scrum methodologies.

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.

As an Information System Security Manager, you will oversee cybersecurity and operations of multiple classified systems, managing personnel and developing enterprise-wide RMF-based information security policies, standards, and procedures. You will maintain compliance with federal and DoD security standards, create and maintain System Security Plans, conduct continuous monitoring, perform risk assessments, and investigate security incidents.…See more You will coordinate with ISSEs, ISAs, and other security roles to design, procure, build, and accredit complex networks and systems across multiple classification levels. Required: Bachelor's degree in Information Security/IT or equivalent with 10+ years experience, DoD 8570.01-M IAM level III certification (CISSP, CISM, GSLC, or CCISO), RMF and NIST 800-53 expertise, and an active TS/SCI clearance.

Mid-level full-stack software engineer responsible for developing, deploying, and troubleshooting distributed applications across application, OS, networking, and hardware layers. Must have 5+ years of professional experience with Python, modern front-end frameworks, RESTful APIs, Linux (RHEL preferred), containerization (Podman/OCI), Ansible automation, and Git.…See more Role emphasizes independent ownership of features from requirements through testing, strong debugging across system and software components, and integration with external systems and hardware interfaces.

Senior Network Specialist will install, configure, and support LAN/WAN and Internet systems for a large DOD program. Responsibilities include routine testing and analysis of network facilities, monitoring network availability, troubleshooting performance issues, and performing maintenance.…See more Requires 6+ years of experience with Cisco networking equipment (routers and switches), IPv6 protocol expertise, and level 3 network protocol knowledge.

Mid-level full-stack software engineer responsible for developing, deploying, and troubleshooting distributed applications across application software, operating systems, networking, virtualization, and hardware interfaces. The role requires 5+ years of professional software development experience with proficiency in Python, modern front-end frameworks, RESTful APIs, Linux administration, containerization (Podman/OCI), Git, and configuration automation (Ansible).…See more Strong emphasis on independent ownership of features from requirements through implementation and testing, with preferred experience in LLMs, generative AI, agentic workflows, and AI-tool integration for engineering tasks.

SAIC seeks a Principal Cybersecurity Engineer to perform penetration testing, vulnerability assessments, and security architecture work on classified Navy communication systems. The role requires hands-on expertise in network traffic analysis (Wireshark), hardened IT systems design, DoD/IC security frameworks (NIST RMF, DISA STIG), and offensive security techniques against DoD/IC infrastructure.…See more Candidates must have 9+ years total experience (5–7 years in cybersecurity engineering, 5+ in classified/high-security environments), proven red-team capabilities, and an active Top Secret clearance with ability to obtain TS/SCI.

Network Engineer supporting Department of War enterprise missions will design, deploy, integrate, and troubleshoot complex network infrastructures across data centers, campuses, tactical environments, and remote locations. The role requires hands-on experience with enterprise routing, switching, VLANs, routing protocols (OSPF, BGP), network security (firewalls, ACLs, AAA), and integration testing in cross-functional environments.…See more Must hold or obtain Secret clearance and possess CompTIA Security+ and Cisco CCNA certifications. The position involves configuring multi-vendor systems, developing technical documentation, and modernizing resilient, secure enterprise networks supporting critical national security missions.

Design, configure, troubleshoot, and optimize enterprise network infrastructure for Department of Warfare missions. Deploy switching, routing (OSPF, BGP), VLANs, VPNs, firewalls, and security technologies in multi-vendor environments.…See more Develop technical artifacts including network diagrams, implementation guides, and standard operating procedures. Requires 3+ years of hands-on network engineering, Secret clearance, and CCNA certification.

A Tier II support role providing escalated troubleshooting, systems analysis, and pre-sales engineering solutions for client networks and end users. Responsibilities include resolving complex tickets related to Active Directory, line-of-business applications, routing/switching, servers, and hardware (workstations, printers, firewalls, switches); performing planned maintenance; conducting systems analysis to recommend supportable solutions; and delivering exceptional customer service.…See more Requires 3+ years of IT support experience, proficiency with Windows Server, O365, LAN/WAN configuration, and ideally Azure, MCSA/E, or CCNA certification.

Lead IT operations and infrastructure for a mid-sized organization, managing a small IT team while maintaining hands-on involvement in day-to-day support. Oversee Microsoft 365, Azure, Entra ID, Intune, and Fortinet firewalls; administer LAN/WAN/VPN networks; ensure security, compliance, and business continuity; and partner with leadership on technology strategy and vendor management.…See more Requires 5+ years in systems and network administration in a Microsoft environment, 2+ years in a supervisory role, and expertise in endpoint management, disaster recovery, and troubleshooting.

Lead Network Engineer supporting U.S. Navy enterprise network modernization with 10+ years of Cisco infrastructure experience.…See more You'll serve as on-site technical advisor to government clients, guiding system architecture, solution design, and implementation for Software-Defined Access, SDN, Zero Trust, and enterprise network modernization. Responsibilities include developing technical briefs, solution recommendations, and implementation planning while leading cross-functional engineering teams to solve complex network challenges and support Navy mission-critical infrastructure security and modernization.

Lead IT operations and infrastructure for RIVO Holdings as a hands-on IT Manager, overseeing a small team while maintaining active involvement in day-to-day support. Manage company hardware, software, network infrastructure, cloud platforms (Microsoft 365, Azure, Entra ID, Intune), and security systems including Fortinet firewalls.…See more Responsibilities include team leadership and development, infrastructure administration, security and compliance, cloud and network administration, and vendor management. Requires 5+ years of systems and network administration in a Microsoft environment, 2+ years of supervisory experience, and expertise in endpoint management, disaster recovery, and troubleshooting.

A senior engineer responsible for designing, implementing, and managing Zscaler zero-trust security solutions across the organization's network infrastructure. The role involves monitoring security configurations, conducting risk assessments, responding to security incidents, ensuring compliance with standards like GDPR and HIPAA, and providing guidance to internal teams.…See more Requires 3+ years of network security experience, deep knowledge of Zscaler (ZIA and ZPA), network security best practices, and familiarity with compliance frameworks and cloud platforms.

The Network Administrator will operate, maintain, and troubleshoot network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN), supporting multiple networks across different classification levels. Responsibilities include managing routers, switches, firewalls, WAN circuits, VoIP devices, and cryptographic configurations; coordinating with Navy, DISA, and commercial providers; maintaining Information Assurance compliance; and providing helpdesk support from the Network Operations and Security Center (NOSC).…See more The role requires hands-on expertise in network hardware, software interconnection, and troubleshooting of network failures at remote sites.

Design and engineer Navy networks by developing network topologies, templates, and IP plans from system requirements. Configure and document software-defined WAN solutions using technologies like SDN/SD-WAN (VMware NSX-T, Cisco, Juniper).…See more Troubleshoot network outages, manage L2/L3 switching and routing, and create comprehensive technical documentation. The role requires a CCNP certification, six years of DoD/federal IT systems engineering experience, and an active Secret clearance.

Senior Systems Engineer serving as Tier 3 escalation and solutions architect for a managed service provider (MSP), designing end-to-end technical solutions across Microsoft 365, Azure, identity/security, and networking for multiple clients. Responsibilities include architecting and administering Azure and Microsoft 365 environments (Entra ID, Intune, Exchange Online, SharePoint), implementing security controls (MFA, conditional access, DLP, identity governance), building PowerShell automation and AI-assisted agents to reduce manual work, and mentoring Tier 1/2 technicians.…See more Must have deep hands-on expertise in Azure and O365 administration, strong security background in identity/access management and endpoint security, proven scripting ability, and experience escalating complex infrastructure/cloud/security issues in a multi-client MSP environment.

Sr. Network Engineer responsible for designing, implementing, managing, and troubleshooting UC San Diego Health's computer networks.…See more Role requires expert-level experience with Cisco wireless platforms (C9800 Controllers), routing and switching protocols, Cisco Security tools (ISE - Trustsec/NAC), Palo Alto firewalls, and network diagnostic tools. Responsibilities include configuring routers, switches, and firewalls; monitoring network traffic; diagnosing outages; and ensuring reliable connectivity and security across campus and medical center infrastructure.

Cloud Security Engineer III responsible for designing, implementing, and maintaining security controls across the company's infrastructure with a focus on AI/ML platforms. The role involves monitoring AI/ML systems for anomalous behavior, identifying and remediating vulnerabilities in ML pipelines, and collaborating with data scientists to implement secure AI/ML solutions.…See more Requires 8+ years of security engineering experience, 3-5 years of AWS cloud security expertise, AWS Security Certification, and foundational knowledge of ML lifecycle and AI/ML security concepts.

The Systems Administrator / IT Systems Specialist will provide hands-on support for IT infrastructure including servers, networks, business applications, and end-user devices. Key responsibilities include managing support tickets, performing system maintenance and patching, administering Microsoft technologies (Windows Server, Active Directory, Microsoft 365, Azure AD), supporting VMware virtualization and backup/restore operations, and troubleshooting network connectivity issues.…See more The role requires 4+ years of IT support or systems administration experience, working knowledge of Microsoft infrastructure and virtualization platforms, and strong troubleshooting skills. This is an on-site position in San Diego, CA requiring travel to Mexico approximately once monthly.

Manage infrastructure deployment projects across network rooms, data centers, and enterprise campuses, coordinating physical implementation of WiFi systems, data networks, switches, firewalls, and server environments. Work cross-functionally with construction, engineering, operations, and third-party vendors to deliver on-site infrastructure work including fiber installation, structured cabling, and low-voltage systems.…See more Ensure quality assurance of all installations, identify risks and dependencies, and produce weekly/monthly status reports. Requires 5+ years of program/project management experience in network infrastructure or technology deployment, with hands-on exposure to physical network infrastructure and data center environments.