windows-server jobs in San Diego

The Network Engineer IV delivers advanced tactical network engineering, integration, and sustainment for the Navy's carrier training system (CANES architecture), ensuring reliable data transport, system interoperability, and secure performance. The role maintains, configures, and troubleshoots shipboard and afloat network hardware and software, supports Fleet training readiness exercises, and provides hands-on technical leadership across NIWC Pacific and shipboard IT teams.…See more Responsibilities include system updates, patching, virtualization management, cybersecurity compliance (RMF, STIG, HBSS/ACAS), and functional/performance testing with occasional underway periods. The engineer must hold or obtain an active Secret clearance (TS/SCI preferred), possess DoD 8570 IAT Level II and CCNA/CCNP certifications, and demonstrate expertise in Linux, Windows Server, Cisco IOS/NX-OS, Juniper JUNOS, and infrastructure automation.

Senior Systems Engineer responsible for administering and securing a Microsoft-based infrastructure spanning Windows Server, Active Directory, Hyper-V, Azure, and Microsoft 365 across multi-tenant environments. Will manage Fortinet network and firewall infrastructure, implement identity and access controls through Entra ID and Intune, and develop PowerShell and Microsoft Graph API automation scripts.…See more Role includes proactive monitoring, security incident investigation, patch management, and Tier 2/3 support escalations. Requires 5+ years of Windows systems administration experience with demonstrated expertise in Microsoft cloud, Fortinet networking, and infrastructure automation.

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 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.

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.

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.

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.

Senior Principal System Administrator responsible for managing and maintaining a classified development and integration test environment, including Windows and Red Hat Enterprise Linux servers, VMware virtualization infrastructure, and network hardware. The role requires strong Linux and Windows Server administration expertise, cybersecurity compliance knowledge (DISA STIGs, Nessus, PKI), and experience supporting classified networks.…See more Responsibilities include patching workflows, ePO/McAfee integration, vulnerability scanning, system accreditation support, and maintaining DoD-mandated security posture; some after-hours support for maintenance and incident response required.

Senior Systems Engineer responsible for planning and implementing security patches across enterprise Linux and Windows server environments in AWS, Azure, and hybrid infrastructure. Design and operate automation platforms (AWS Systems Manager, Ansible, SCCM/Intune) to scale vulnerability management and remediation across cloud and on-premises fleets.…See more Partner with security, infrastructure, network, and compliance teams on patch testing, deployment sequencing, rollback procedures, and audit-ready documentation in a regulated (GxP/SOX/21 CFR Part 11) environment.

Enterprise Systems Administrator IV leading the design, implementation, and optimization of complex on-premises and cloud infrastructure across a large university. Responsibilities include administering servers, directory services, virtualization, and operating systems; automating processes via scripting; implementing security controls and disaster recovery strategies; and mentoring junior systems administrators.…See more The role requires expertise in Windows/Linux environments, cloud platforms, virtualization, PowerShell/Bash/Python scripting, backup and recovery, and technical project leadership.

Lead enterprise infrastructure design and administration for a major public university, managing on-premises and cloud environments across thousands of users. Design complex systems, lead infrastructure projects, automate operations using PowerShell/Bash/Python, implement security and disaster recovery strategies, and mentor junior systems administrators.…See more Requires deep expertise in Windows/Linux servers, virtualization, cloud platforms, directory services, and enterprise infrastructure security.

Lead enterprise infrastructure design, implementation, and optimization across on-premises and cloud environments at a major university. Automate administrative processes using PowerShell, Bash, or Python; maintain Windows and Linux servers, directory services, and virtualization; implement security controls and disaster recovery strategies; and mentor junior systems administrators while driving infrastructure improvements and technical projects.See more

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.

This is a senior infrastructure and cybersecurity engineering role requiring 10+ years of experience designing, administering, and securing hybrid/cloud infrastructure across Linux, Windows Server, containerized, and private cloud environments. The engineer will implement security controls aligned with NIST SP 800-53, DISA STIGs, RMF, and Zero Trust principles, support DevSecOps pipelines and CI/CD automation, and use scripting, configuration management, and Infrastructure as Code to streamline builds, patching, hardening, and compliance.…See more The role demands collaboration across cybersecurity, software, infrastructure, and mission teams to troubleshoot complex issues, improve security practices, and communicate technical risks and recommendations.

Principal Systems Administrator role managing enterprise Windows Server and Linux environments, including Active Directory, virtualization (VMware/Horizon), cloud identity (Azure AD), and endpoint security. Requires 7+ years of systems administration experience, CompTIA Security+ certification or DoD 8570 IAT Level II equivalent, and ability to obtain a US Secret clearance.…See more The role combines hands-on administration with mentorship, technical documentation, and Tier 1–2 escalation support, including automation via PowerShell, Bash, or Python.

This role supports cybersecurity engineering and infrastructure security for enterprise, cloud, and classified environments. The engineer will manage vulnerability assessment, system hardening, patching, secure configuration, and DevSecOps pipeline integration across Linux and Windows Server platforms.…See more Responsibilities include compliance support (RMF, ATO, NIST SP 800-53, DISA STIGs), CI/CD security automation, containerized environment hardening, and infrastructure-as-code implementation. Strong technical depth in cloud platforms (AWS/AWS GovCloud), container orchestration, security tooling, and the ability to communicate complex technical and compliance issues to engineering and mission stakeholders are required.

Lead enterprise IT systems engineering for Navy infrastructure modernization, architecting and securing Windows, Linux, and cloud server platforms across Active Directory, hybrid identity, virtualization, and Azure environments. Direct a team of IT systems engineers in deploying, optimizing, and troubleshooting mission-critical infrastructure while serving as on-site technical advisor to government clients on system architecture and modernization strategy.…See more Require 10+ years enterprise Windows Server experience, 3+ years technical leadership, expertise in AD/Entra hybrid identity, enterprise endpoint management (MCM/SCCM), and hyperconverged infrastructure, plus hands-on knowledge of PowerShell automation, Azure, and security hardening.

SAIC seeks an experienced Sr Systems Administrator to manage Windows and Linux servers, Azure cloud services, M365, and on-premises infrastructure for a public sector client. The role requires hands-on administration of IaaS/PaaS services, Active Directory, Exchange, VMware, backup/recovery, and security—with 24/7 on-call rotation support.…See more The ideal candidate will have 5+ years of server administration experience, strong troubleshooting skills, and certifications in Azure or Windows Server administration.

SAIC seeks a Network Engineer to provide break/fix IT support and cybersecurity patching for U.S. Navy afloat networks in a hybrid role based in San Diego, with frequent onsite work aboard Navy ships.…See more The role involves troubleshooting LAN and server issues, performing root-cause analysis, administering Cisco switches/routers and Windows/Linux systems, and delivering technical briefs. Required qualifications include 1+ years supporting military networks, current DoD IAT Level II certification (CompTIA Security+), active Secret clearance, and ability to obtain TS/SCI. Desired experience includes enterprise wireless technologies, next-generation firewalls, zero-trust architectures, and familiarity with Navy-specific systems like CANES, CENTRIXS, and VIXS.

Senior Systems Engineer to architect, design, and maintain SolarWinds Orion Platform monitoring infrastructure supporting national defense missions at enterprise scale. The role requires 5+ years designing datacenter monitoring and automation solutions, 3+ years hands-on SolarWinds Orion experience, and 5+ years managing Windows Server infrastructure.…See more Responsibilities include integrating SolarWinds with Splunk, VMware, Windows Server, and Linux; troubleshooting performance issues; developing technical documentation; and serving as the SolarWinds subject-matter expert. On-site collaboration with government stakeholders required minimum 2 days/week in San Diego with occasional OCONUS travel.

Senior systems engineer to architect, design, implement, and maintain SolarWinds Orion Platform components (NPM, SAM, NCM, SRM, IPAM, WPM, NTA, VMAN) supporting US Navy infrastructure. Role requires 5+ years designing enterprise datacenter monitoring and automation solutions, 3+ years hands-on SolarWinds experience, and 5+ years Windows Server infrastructure management.…See more Responsibilities include integrating SolarWinds with Splunk, VMware, and cloud platforms; troubleshooting performance issues; developing technical documentation and SOPs; training operations teams; and serving as SolarWinds subject-matter expert. Position requires active Secret-level clearance, IAT Level II certification, on-site collaboration minimum 2 days/week, and potential OCONUS travel.

Senior Infrastructure & Security Engineer responsible for administering and securing Microsoft 365, Azure, and Entra ID environments, including identity controls, conditional access, and MFA enforcement. The role encompasses data protection through DLP policies and Microsoft Purview, endpoint security via CrowdStrike, Windows Server and Active Directory infrastructure, virtualization (VMware, Azure), backup/disaster recovery, and establishing governance standards for AI platforms.…See more Requires 7+ years of progressive IT infrastructure and security experience with strong expertise in Microsoft cloud services, identity management, and enterprise networking.

SAIC seeks a mid-level Network Engineer to provide break/fix IT support for Navy afloat networks aboard U.S. Navy ships in San Diego.…See more The role involves troubleshooting LAN issues, performing root cause analysis, administering Cisco switches/routers and Windows/Linux servers, and collaborating with Active Duty personnel and government staff to maintain systems such as ADNS, ISNS, CANES, FSW, and CENTRIXS. The engineer must hold an active Secret clearance, be able to obtain TS/SCI, and possess DoD IAT Level II certification plus a relevant operating-system certification (CCNA, Microsoft Server Hybrid Administrator Associate, Linux+, or equivalent). Travel within the U.S. and internationally (~25%) and occasional after-hours support are required.

This Platform Engineer III role owns the full lifecycle of infrastructure automation, CI/CD pipelines, and system deployment in a DoD environment. You will manage Git-based repositories, design and execute deployment automation workflows, and support casualty reporting and operational response.…See more Responsibilities include Linux/Windows system configuration, virtualization (VMware, Hyper-V, Docker, Kubernetes), scripting/automation (Python, PowerShell, Bash, Ansible, Terraform), network troubleshooting, cybersecurity compliance (STIGs, RMF, ATO), and root-cause analysis across complex integrated systems. The role requires 6+ years of progressively responsible platform engineering, systems integration, or DevOps experience in DoD, enterprise, or test environments, plus a Secret-level security clearance.

This role leads the design, development, and integration of ashore and afloat network and cloud-agnostic system architectures for Naval infrastructure, with a focus on Windows Server–based enterprise IT systems and hybrid cloud migration. The architect will conduct system assessments, develop detailed workload migration plans, collaborate with cross-functional teams, and provide guidance during implementation to ensure architectural compliance.…See more The position requires 12+ years of enterprise systems engineering in DoD environments, hands-on experience with Red Hat, Microsoft, AWS, Azure, SAN, HCI, virtualization, and DoD cybersecurity compliance frameworks. A Secret clearance is required, and the candidate must obtain a DoD 8570.11 IAT Level II certification (Security+, CCNA Security, GSEC, or SSCP) within 30 days of start.