network-security jobs in San Diego

Manage cybersecurity and operations of multiple classified systems, including development and maintenance of enterprise-wide RMF security policies, continuous monitoring, and compliance with federal and DoD standards. Lead and mentor security personnel while overseeing System Security Plan creation, security audits, incident investigation, and risk assessments across complex networks and systems at multiple classification levels.…See more Maintain DoD 8570.01-M certification (CISSP, CISM, CCISO, or GSLC) and an active TS/SCI clearance, with 10+ years of professional experience in classified government environments.

Enterprise Imaging Analyst manages clinical imaging systems' software, hardware, and databases in a healthcare environment, supporting secure networks for patient data transmission, workstation configuration, and image/report archival. The role involves troubleshooting escalated technical issues, conducting user training on workflows and systems, performing quality assurance testing, and staying current on clinical imaging regulations and technology trends.…See more Requires 7+ years of related experience or a Bachelor's degree plus 3 years of experience, with demonstrated expertise in hardware, software, and database administration.

This role supports research teams at a university by reviewing security requirements in research contracts and proposals, conducting risk and compliance assessments, and recommending practical security approaches. The analyst will coordinate security controls across cloud and on-premises research environments, assess security architectures and configurations, and develop compliance documentation including SSPs and POA&Ms.…See more The role requires interpreting cybersecurity frameworks (NIST SP 800-171, CMMC, NIST SP 800-53) and communicating technical requirements to researchers and non-technical stakeholders across identity and access management, encryption, vulnerability management, and network security.

As a Managed Services Engineer II (L1 SOC Analyst) on Deloitte's Cyber Operate team, you will monitor security alerts from SIEM and other security tools, validate and escalate incidents within SLA timeframes, investigate suspected threats, and perform IOC searches. You will respond to security events using documented procedures, distinguish false positives from genuine incidents, coordinate with escalation paths, and maintain runbooks and shift handover documentation.…See more The role requires a Bachelor's degree in IT/Computer Science plus 1+ years of security operations or cybersecurity experience, hands-on familiarity with SIEM platforms, IDS/IPS, EDR, DLP, WAF, firewalls, and threat intelligence, and the ability to work rotating 24/7 shifts from a Deloitte office 50% of the time.

Principal-level network engineer responsible for data analysis, troubleshooting, and technical leadership across networking and application performance issues. Drives network security standards, capacity planning, and disaster recovery initiatives while mentoring junior engineers and collaborating on cross-functional projects.…See more Requires 8+ years of networking experience with deep expertise in network design, protocols, performance tuning, and modern networking technologies.

Research Cybersecurity Analyst at San Diego State University responsible for reviewing research proposals, contracts, and data-use agreements to identify cybersecurity and compliance requirements; conducting risk assessments and recommending remediation strategies; coordinating security controls across cloud and on-premises research environments; and developing compliance documentation (SSPs, POA&Ms) to support audits and assessments. The role requires interpreting security frameworks (NIST SP 800-171, CMMC, NIST SP 800-53) and communicating technical requirements to researchers and non-technical stakeholders while evaluating security architectures, access controls, encryption, and vulnerability management.See more

Senior Network Engineer responsible for installing, configuring, and supporting LAN, WAN, and Internet systems for a large DOD program. Will perform routine testing and analysis of network facilities, monitor network availability, troubleshoot performance issues, and maintain network infrastructure.…See more Requires 6–10 years of experience (depending on education level), hands-on expertise with Cisco routers and switches, IPv6 protocol knowledge, and the ability to obtain and maintain a Top Secret or TS/SCI clearance.

The IT Support Services I role provides frontline technical support to employees and clients, diagnosing and resolving hardware, software, and network issues across desktops, laptops, mobile devices, and printers. Responsibilities include managing user accounts and Active Directory, configuring operating systems and software, troubleshooting network connectivity and VPN access, and escalating complex issues to senior engineers.…See more The position requires 2+ years of hands-on experience with Microsoft Networks, firewalls, TCP/IP, Active Directory, Group Policy, PowerShell, and cloud technology integration, along with strong customer service and documentation skills.

Senior Cybersecurity Engineer applying cybersecurity principles throughout system lifecycles to identify and reduce cyber risk. Responsibilities include building and applying threat models (STRIDE, PASTA, attack trees), analyzing complex systems and architectures from a security perspective, identifying vulnerabilities and weaknesses, evaluating defensive technologies, and translating findings into actionable recommendations.…See more Requires 7+ years of industry experience, deep knowledge of cybersecurity engineering, system/network security, vulnerability analysis, and cyber risk management, plus an active DoD Secret Clearance with ability to obtain TS/SCI.

Senior Cybersecurity Engineer supporting Navy and DoD mission systems. The role involves applying cybersecurity engineering principles across the system lifecycle—building threat models (STRIDE, PASTA, attack trees), analyzing complex systems and networks for vulnerabilities, assessing cyber risk and mission impact, and translating findings into actionable engineering recommendations.…See more Requires 7+ years of industry experience, a Bachelor's in a technical field (Cybersecurity, Computer Science, Systems Engineering, or related), demonstrated threat-modeling expertise, and DoD 8570.01 IAM/IAT/IASAE certification.

Noblis MSD seeks Systems Administrators to administer Navy tactical network systems (workstations, file servers, web servers) aboard ships and shore facilities, providing 24x7 on-call support. Responsibilities include installing hardware/software, managing network accounts and security, troubleshooting firewalls and intrusion detection, and training staff.…See more Candidates must hold an active DoD Secret clearance (TS/SCI for SCI Networks work), comply with Cyber Workforce certification requirements, and be willing to deploy aboard U.S. Navy ships worldwide with rotating shift availability.

As a Network Engineer on the IT Infrastructure team, you will design, build, and maintain NASSCO's enterprise network infrastructure, including routers, switches, and firewalls. You'll configure network policies, manage segmentation and automation, troubleshoot issues, and monitor system metrics using tools like SolarWinds.…See more The role requires CCNP-level expertise in routing protocols, TCP/IP, and security, with hands-on experience in Cisco products, Palo Alto firewalls, Software-Defined Networking, and Zero Trust Access architectures.

LPL Financial seeks a Senior Network Engineer with 10+ years of Data Center Core Network Engineering experience to design, engineer, and operate LAN/WAN and hybrid cloud/on-premises networking solutions. The role requires hands-on expertise in Cisco-centric environments (NDO, ACI, Nexus, Catalyst) and experience with routing protocols (OSPF, BGP), MPLS, DIA, and SD-WAN.…See more Responsibilities include architecting scalable and secure networking solutions, leading migrations and transformation programs, troubleshooting complex issues, and mentoring team members as a technical lead.

Senior Staff Software Engineer leading technical strategy and architecture for embedded, connected medical-device software. Will resolve cross-functional technical issues spanning software, hardware, systems, and quality; identify architectural improvements and technical debt; mentor engineers; and drive design reviews and coding standards.…See more Requires 12+ years of professional software development with medical-device or regulated systems experience, proficiency in C/C++, embedded Linux/RTOS, and network-connected device design.

This role develops, implements, and maintains network automation solutions for DoD/Navy shipboard systems, with focus on Cisco ISE/NAC authentication and security policy enforcement. The engineer will create and sustain Ansible playbooks and PowerShell automation workflows, troubleshoot across multiple Cisco platforms (routers, switches, firewalls, wireless), and apply security hardening (STIGs) to network appliances.…See more Responsibilities include supporting engineering change requests, compliance validation, and cross-functional collaboration within Agile and DevOps frameworks for iterative network sustainment.

Senior Linux System Administrator for a large DOD program in San Diego. Role involves 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 4–8 years of experience depending on education, strong Linux expertise, and Security+ certification; must be able to obtain and maintain a Secret or Top Secret clearance.

Network Engineer responsible for supporting and maintaining enterprise Cisco routing, switching, and firewall infrastructure, with hands-on duties including firewall administration, load balancing support, network performance monitoring, and participation in infrastructure upgrades and migrations. The role requires experience in complex enterprise network environments, incident troubleshooting, and escalation support, balancing day-to-day operational responsibilities with project-based modernization initiatives.See more

This role designs, implements, and optimizes enterprise security systems including firewalls, VPNs, and segmentation controls while developing automation scripts to streamline deployments and enhance threat detection. The architect will leverage network observability and security telemetry to validate policies, identify vulnerabilities, manage patch compliance, and produce metrics for operational visibility.…See more Responsibilities include mentoring security teams, advising on security best practices aligned with business needs, and collaborating on process improvements and incident response workflows. Required: 5+ years progressive cybersecurity experience (3+ with master's degree); preferred: hands-on NGFW expertise, intermediate certifications (GSEC, CEH, CySA+), and scripting proficiency in Python, PowerShell, Bash, or Java.

As a Cybersecurity Engineer and Risk Analyst, you will identify vulnerabilities, assess security threats, and implement infrastructure and cybersecurity controls to protect military systems. You'll conduct risk and vulnerability assessments across networks, systems, and applications, work with Navy Risk Management Framework (RMF) and Assessment & Authorization (A&A) processes, and develop security solutions using tools like ACAS, STIGs, and eMASS.…See more The role requires 4+ years of DoD/government IT experience, hands-on cybersecurity compliance testing, and the ability to communicate complex security concepts to technical and non-technical audiences.

Director of IT seeking an experienced leader to oversee IT governance, compliance, and risk management for a biotech company. Responsibilities include drafting and maintaining IT policies aligned with regulations (GDPR, HIPAA, ISO 27001, FDA 21 CFR Part 11, SOX), leading internal and external audits, conducting risk assessments, developing IT quality management systems, and managing an IT team and budget.…See more The role requires 8+ years of IT experience with 3+ years in leadership, strong technical writing ability, and expertise in cloud platforms, network security, and data privacy.

As a Cybersecurity Systems Engineer, you will develop and implement security solutions to protect military infrastructure, performing risk and vulnerability assessments across networks, systems, and applications. You'll work with Navy Risk Management Framework (RMF) processes, manage security controls and compliance testing using tools like eMASS and ACAS, and identify cyber threats using vulnerability scanning and big-data analytics.…See more The role requires 3+ years of DoD/government IT experience, expertise in RMF/A&A activities, and hands-on knowledge of Windows, Linux, cloud platforms, network infrastructure (routers, switches, firewalls, NIPR/SIPR), and security compliance tools. You'll communicate security complexities to diverse audiences and deliver client solutions from inception through completion.

As a Cybersecurity Engineer and Risk Analyst, you will develop and implement security solutions to protect military infrastructure, performing vulnerability assessments, risk analysis, and compliance testing across networks, systems, and applications. You'll work with Navy Risk Management Framework (RMF) and Assessment & Authorization (A&A) processes, leverage tools like ACAS and eMASS to identify threats and security gaps, and communicate security findings to both technical and non-technical audiences.…See more The role requires hands-on experience with security controls, policy implementation, and infrastructure protection using industry-standard scanning and compliance tools.

Software engineer responsible for the full software development lifecycle in a maritime cybersecurity environment, from requirements gathering through deployment. Design and develop scalable, distributed applications using Java, C#, Python, C++, and serverless architecture while applying cryptography, network security, endpoint security, and computer network defense principles.…See more Write clean, well-documented code; test and debug applications; and collaborate with security specialists, clients, and technical stakeholders to deliver defensive capabilities and situational awareness tools.

San Diego State University seeks a System Analyst to manage technology operations for residential housing, overseeing Help Desk and RezCon student staff, troubleshooting network and technology issues, and administering housing software systems (StarRez, TMA, CBORD, RezLife, etc.). The role requires hands-on support for device management platforms (Jamf, Intune, Active Directory, Azure), audiovisual and networking infrastructure, and coordination with campus IT on system integrations.…See more Responsibilities include training and leading technology support staff, managing ServiceNow and StarRez cases, and evaluating technology needs to recommend improvements.

Build safety-critical communication systems for uncrewed aircraft, architecting link management algorithms, network performance monitoring, and failover logic for robust data links between remote pilots and aircraft. Develop latency-sensitive software across bare-metal embedded systems, Linux environments, and cloud platforms, integrating third-party hardware/software and applying cryptography and network security best practices.…See more Requires 2+ years of systems-level C++ or Rust programming and professional experience with high-performance networking or cloud applications.