it-support jobs in San Diego

Hands-on IT Infrastructure/System Administrator for a diagnostic company, responsible for maintaining network security, availability, and reliability in a one-person IT environment. Duties include workstation management, end-user support, firewall and backup administration, cybersecurity training, and collaboration with headquarters IT on infrastructure projects.…See more Requires 5+ years of IT experience and proficiency with infrastructure tools such as Office 365, MS SQL Server, VMware, DNS, firewalls (SonicWall, Barracuda), and backup solutions.

As an IT Support Engineer I, you will provide technical support and implement solutions for computer hardware, operating systems, and enterprise applications in a high-availability environment. You will troubleshoot and resolve IT infrastructure issues, manage local technical projects, and maintain corporate networking and computing systems.…See more The role requires hands-on experience with Windows Server technologies (AD, DFS, Print Services, SCCM), networking protocols (DNS, DHCP, TCP/IP, SSL), and multi-user environments. You will work across PC repair, deployment, network engineering, and systems administration while interacting with management and staff to improve IT solutions.

The CMMS Administrator will manage computerized maintenance management system operations for a GXP-compliant pharmaceutical/biotech manufacturing environment. Responsibilities include administering maintenance and calibration work requests, overseeing department training programs with GXP tracking, managing service contracts through contract management systems, and reporting facility metrics for trending.…See more The role requires 2+ years of CMMS experience, a BS/BA degree with 2–4 years in regulated pharma/biotech manufacturing (or AA with 3–5 years), and proficiency in MS Office Suite.

Architect and maintain ServiceNow security controls aligned to DoD Zero Trust architecture in FedRAMP High and DoD IL4/IL5 environments. Configure role-based access controls (RBAC), access control lists (ACLs), data policies, and edge encryption; maintain security matrices and enforce information-level segregation.…See more Develop System Security Plans (SSPs) and Risk Management Framework (RMF) artifacts to support ATO attainment and sustainment. Conduct vulnerability assessments, continuous monitoring, manage Plans of Action and Milestones (POA&M), and generate security assessment reports.

Own end-to-end compliance operations for a healthcare AI company, including managing compliance frameworks (SOC2 Type II, HIPAA, NIST, ISO), driving control remediation to closure, administering Google Workspace and MDM, coordinating external audits, and maintaining audit-readiness. This role requires hands-on management of a compliance platform of record, continuous monitoring of compliance tests, security policy maintenance, evidence collection, and risk tracking—operating with high rigor in a fast-scaling startup without routing issues to others.See more

Administer and manage a Computerized Maintenance Management System (CMMS) for a GXP-compliant pharmaceutical/biotech manufacturing facility. Track maintenance and calibration work requests, manage service contracts, maintain employee training records, and report department metrics and trending data to Facilities Management.…See more Requires 2+ years of CMMS experience, proficiency in MS Office Suite, and knowledge of GXP compliance requirements in a regulated manufacturing environment.

The IT Business Analyst supports AMETEK's business operations through custom application development and enterprise solutions, including Oracle ERP and Microsoft Power BI. The role requires translating business requirements into IT solutions, managing custom applications, developing reports, and supporting AI initiatives by making data available to AI platforms.…See more Responsibilities include handling compliance reporting, end-user support, and application documentation. The position demands 5+ years of IT business analysis experience, 3+ years of ASP.NET or equivalent custom coding, and demonstrated experience in a manufacturing environment.

Lyntris seeks a Cyber Security Engineer II to support Risk Management Framework (RMF) assessment and authorization for Navy software solutions. The role involves designing and implementing cybersecurity and information assurance policies for mission-critical systems, developing system documentation for RMF accreditation, and providing technical guidance on security scan remediation.…See more Required experience includes 2–3 years of Department of Navy accreditation work with NIST standards, eMASS, and ATO processes. The position requires an active U.S. national security clearance.

The Information Systems Analyst III coordinates the development, testing, implementation, and modification of complex information systems; performs business process analysis and modeling; researches hardware and software solutions to meet requirements; provides technical support to end users; and leads IT activities. The role requires three years of professional-level information systems management experience, including procurement, project management, business process analysis, and technical assistance to users on major systems.…See more Candidates must hold a Bachelor's degree (or equivalent) and have one year of experience at an Analyst II level or higher.

As an information security risk specialist, you will assess cyber risks for DoD acquisition programs by analyzing threat landscapes, conducting risk and vulnerability assessments across networks, systems, and applications, and developing mitigation plans. You will leverage 4+ years of IT experience and 3+ years of Navy RMF/A&A project leadership to translate complex security concepts into actionable strategies for mission-critical systems.…See more Key responsibilities include developing and maintaining RMF artifacts, managing eMASS workflows, creating Authorization Boundary and Data Flow Diagrams, conducting compliance assessments using industry-standard tools, and communicating technical findings to both technical and non-technical stakeholders.

The Application Administrator I maintains and supports the organization's Gateway ticketing system, performing daily operations, troubleshooting, configuration, and documentation. Responsibilities include end-to-end testing, UAT facilitation, custom reporting, and acting as a liaison between internal staff and external resources.…See more The role requires at least one year of application troubleshooting and database/technical support experience, with PC/Mac hardware knowledge and familiarity with point-of-sale or ticketing systems preferred.

SAIC seeks an experienced System Administrator to maintain and integrate AI capabilities into expeditionary systems for the Navy, including sensors, unmanned systems, command-and-control, and TAK. The role combines hands-on administration (Linux systems, edge servers, software updates, network troubleshooting) with collaboration on machine learning integration, data pipeline monitoring, and tactical system testing at field exercises.…See more The candidate will work across cross-functional teams—including ML engineers, data engineers, and software engineers—to deploy and validate high-performance data flows in operational environments. Requirements include 2+ years in a related technical role (sysadmin, data engineer, software engineer, or similar), intermediate Linux command-line proficiency, familiarity with containerization (Docker, Kubernetes) and edge GPUs (Jetson Nano, DGX), and experience with tactical system troubleshooting and data pipeline deployment.

This is a hands-on security engineering role focused on running Saronic's cyber threat intelligence program. The engineer will track nation-state and advanced criminal adversaries targeting the defense industrial base, operationalize indicators and TTPs into detections and hunts, produce finished intelligence products, and fuse external threat feeds with internal telemetry to prioritize real exposures.…See more The role requires 4+ years in cyber threat intelligence, threat hunting, detection engineering, or intrusion analysis with demonstrable experience tracking sophisticated or state-sponsored adversaries.

The Senior Systems Administrator designs, implements, and maintains enterprise IT infrastructure across cloud, endpoint, identity, server, and collaboration platforms. Responsibilities include administering Windows, Linux, and macOS systems; managing Active Directory, Azure AD/Entra ID, and endpoint platforms like Intune and JAMF; optimizing system performance and reliability; and developing automation scripts.…See more This role requires 5+ years of enterprise infrastructure experience, advanced knowledge of Microsoft identity and collaboration services, and acts as a technical lead for infrastructure projects while mentoring junior administrators.

As a Cybersecurity Engineer and Risk Analyst, you will develop and implement security solutions to protect military infrastructure, performing vulnerability and compliance assessments using industry-standard tools like eMASS and ACAS. You'll troubleshoot complex security challenges, assess network and system threats, implement infrastructure controls, and communicate security risks to both technical and non-technical audiences.…See more The role requires 3+ years of experience leading Risk Management Framework (RMF) activities for DoD projects, vulnerability scanning, and security control implementation. You'll work closely with Navy missions to identify cyber risks, recommend solutions, and provide hands-on support using your knowledge of cybersecurity policy, networks, system infrastructure, and risk management.

Lyntris seeks a Cyber Security Engineer II to provide Risk Management Framework (RMF) Assessment and Authorization (A&A) support for Navy software solutions. The role involves designing, implementing, and monitoring cybersecurity and information assurance policies for mission-critical systems; developing system IA documentation (categorization forms, security plans, assessment plans, continuous monitoring plans, risk assessments); and guiding the software development team through security scan review, evaluation, and remediation.…See more The engineer will work with system owners and stakeholders to manage cybersecurity requirements and continuously improve cyber posture. Requires 2–3 years of Department of Navy accreditation experience and working knowledge of NIST standards, RMF, and eMASS.

Senior Linux System Administrator supporting a large DOD program in San Diego. Responsibilities include installing, configuring, and supporting LAN/WAN and Internet systems; monitoring network availability; assisting with network modeling, analysis, and planning; and administering network security measures.…See more Requires Bachelor's degree with 4 years of experience (or equivalent), ability to obtain and maintain Secret or Top Secret clearance, strong Linux experience, and Security+ certification.

OWT Global seeks a Cybersecurity Analyst to serve as technical authority for ServiceNow platform security, ensuring compliance with federal cybersecurity protocols including NIST SP 800-53 and DoD RMF. Responsibilities include mapping ServiceNow roles and access controls to compliance frameworks, developing and maintaining System Security Plans (SSP) and POA&Ms, supporting vulnerability management and security assessments, and providing advisory support to government personnel on cybersecurity matters.…See more The role requires five years of practical cybersecurity experience, a Bachelor's degree in Cybersecurity or related field, and relevant certifications (CISSP or Security+ preferred), with strong understanding of ServiceNow architecture and DoD RMF processes.

This Staff IT Engineer role supports secure enterprise environments serving government missions, with primary responsibility for implementing, administering, and optimizing Microsoft infrastructure technologies including Windows Server, Active Directory, Group Policy, SCCM, DNS, DHCP, file services, and print services. The candidate will provide Tier 2/3 support, troubleshoot complex infrastructure issues, perform system maintenance and patching, manage endpoint compliance, and ensure compliance with federal cybersecurity frameworks (NIST, RMF, CMMC).…See more The role requires at least 3 years of hands-on experience with on-premises Microsoft infrastructure in enterprise environments and an active Top Secret security clearance.

As a Cybersecurity Engineer and Risk Analyst, you will develop and implement security solutions to protect military infrastructure, performing risk and vulnerability assessments across networks, systems, and applications. You will leverage tools like ACAS, STIGs, and eMASS to assess security threats, implement infrastructure controls, and prepare Risk Management Framework (RMF) artifacts and Security Assessment Plans (SAP) for DoD customers.…See more You'll troubleshoot complex cybersecurity challenges, analyze big data security events to identify advanced threats, and communicate technical findings to both technical and non-technical audiences. The role requires 3+ years of IT experience with government/DoD agencies, hands-on RMF and A&A leadership, and an active TS/SCI clearance.

S. Navy ships and shore commands.…See more System Analyst (SAISA) will provide IT systems support, troubleshooting, and technical training for Naval Forces Logistics systems (R-Supply, OMMS-NG, NALCOMIS) across U.S. Navy ships and shore commands. Responsibilities include NTCSS System Administrator duties, life cycle management for hardware/software, operator training, and Navy/Marine Corps Intranet (NMCI) support. The role requires extensive Linux command knowledge, experience troubleshooting Force Level NTCSS systems, and CompTIA Security+ certification with ongoing continuing education enrollment.

Senior SysAdmin to administer and optimize Shield AI's Atlassian Cloud ecosystem (Jira Software, Jira Service Management, Confluence). Responsibilities include designing workflows and automation rules, developing REST API integrations and webhooks, managing enterprise system integrations (DevOps toolchains, CI/CD, identity providers), administering Atlassian Access, and building advanced dashboards and JQL queries.…See more Requires 3+ years Atlassian administration experience, strong hands-on Cloud expertise, proven REST API and automation frameworks knowledge (ScriptRunner), and advanced JQL and reporting skills.

This is a senior-level IT support role handling escalated complex technical issues across remote and onsite client environments. The Client Engineer will troubleshoot and resolve infrastructure-layer problems spanning M365 administration (Exchange, SharePoint, Teams, Entra ID), macOS support, networking (DNS, DHCP, VPN, firewalls), and generative AI platforms, while traveling to client sites in the metro area as needed.…See more The role requires strong technical depth, independent judgment, excellent client-facing communication skills, and the ability to quickly assess scope and determine whether issues require remote or onsite resolution. A valid driver's license and comfort working in ambiguous situations across both remote and field settings are essential.

This role provides IT risk management and cybersecurity oversight for a large, multi-location enterprise environment. Key responsibilities include triaging security alerts and IOCs, conducting IT security audits (network, OS, data center), administering Microsoft 365 Defender for Cloud and endpoint protection platforms, managing vulnerability assessments, and assisting with cloud migrations to Azure and Microsoft 365 services.…See more The role requires 5+ years of IT experience in large environments, IT audit experience, Security+ or Cloud+ certification, and hands-on administration of Active Directory, SIEM tools, and service-desk ticketing systems.

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.