dns jobs in San Diego

Lead detection operations, incident response, and security operations maturation for a growing security team. Operate SIEM/XDR across endpoint, cloud, identity, network, and SaaS telemetry; conduct complex investigations; tune detections; and drive root-cause analysis and post-incident improvements.…See more Require 6+ years of hands-on security operations, detection engineering, or incident response experience with deep proficiency in SIEM/XDR query languages, EDR platforms, scripting (Python, PowerShell, Bash), and MITRE ATT&CK framework application. Mentor analysts, define playbooks and runbooks, lead threat hunts, and own SecOps metrics and operational-readiness reporting.

Design, deploy, and maintain enterprise Windows Server infrastructure with expertise in Active Directory, authentication systems (Kerberos, RADIUS, PKI), and DoD-compliant hardening (STIGs, CIS, Zero Trust). Develop Infrastructure-as-Code automation using PowerShell, Python, and Ansible across Windows and Linux environments, manage SCCM/MECM patch deployment and WSUS, and architect virtualized environments on KVM and EC2.…See more Mentor engineering teams on system integration, security, and cross-domain interoperability, and collaborate with cybersecurity, network, and Linux teams to solve complex enterprise deployment challenges.

The Systems Administrator II maintains and supports IT infrastructure integrity, availability, and performance for a DoD contract environment. Key responsibilities include Active Directory administration (ADUC, DNS, GPO, WSUS), PKI credential management, system maintenance, software/hardware upgrades, troubleshooting, and compliance monitoring via DISA STIGs.…See more The role requires a Bachelor's degree in IT or related field, 3+ years of relevant experience, and an IAT Level II certification (CySA+, Security+, CCNA Security, GICSP, GSEC, or SSCP).

Network Engineer II designs, maintains, and troubleshoots ICW Group's multi-vendor network infrastructure, including LAN, WAN, MPLS, SAN fabric switches, server load balancers, and VoIP systems. Provides 3rd tier technical support, works with security and project teams to mitigate network risks, and ensures compliance with ITIL and regulatory standards.…See more Requires a Bachelor's degree in Computer Science or related field, minimum 5 years of networking experience, CCNA or JNCIA certification (CCNP or JNCIS preferred), and hands-on expertise with Juniper networking devices, VMware virtualization, routing protocols, and firewall administration.

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 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.

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.

Design and own network security across Saronic's enterprise, on-premises, cloud, and maritime vessel communications infrastructure. Responsibilities include managing firewalls, segmentation, VPN/ZTNA, and wireless systems (Palo Alto, Cisco, Aruba); securing AWS VPC architecture in commercial and GovCloud; architecting secure vessel communications over cellular, RF, SATCOM, and mesh links with cryptographic key management; and building network observability and automation at scale.…See more Requires 5+ years of hands-on enterprise network security experience, production firewall and VPN operations, L3-L7 networking fundamentals, and the ability to obtain a U.S. security clearance.

Lead operational service delivery for enterprise Web Application Firewall (WAF), load balancing, DNS, certificates, and edge security platforms. Own end-to-end service performance, SLA/KPI metrics, incident escalation, and cross-team coordination across application, cloud, networking, and security teams.…See more Manage and develop senior and staff-level engineers, drive operational governance, risk management, and continuous improvement. The role requires sufficient technical depth to guide platform designs, direct incident response, and make informed operational decisions, though not necessarily performing all configurations personally.

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.

Axos Bank seeks a Systems Engineer to manage and monitor infrastructure and system installations, including configurations, testing, and maintenance. The role requires seven years of progressive experience in VMware (ESXi, vCenter, Horizon VDI), Citrix (Virtual Apps and Desktops, NetScaler ADC), storage systems (HPE Nimble, SAN/Brocade), virtualization platforms (Nutanix AHV, Hyper-V), directory services (Active Directory, DNS, DHCP), and Microsoft Azure administration.…See more Candidates must hold a Bachelor's degree in Electronic Engineering, Computer Science, or related field and demonstrate expertise in designing scalable, highly available virtual environments and managing cloud resources.

Staff-level cloud software engineer responsible for building and operating Intuit's edge, CDN, and WAF infrastructure at scale. Design self-service platforms and APIs for CDN/WAF onboarding, DNS, and certificate lifecycle management.…See more Engineer edge security policies (Akamai, AWS WAFv2), troubleshoot packet-path connectivity, and automate compliance and cost operations. Direct AI agents to build and operate infrastructure faster while providing 24x7 incident response and mentoring engineers on automation patterns.

Qualcomm seeks a Modem Software Engineer to design, develop, and maintain embedded software for wireless modem and broadband technologies. The role involves working on connectivity protocols, networking stacks, and platform software across mobile products, collaborating with cross-functional teams on design through validation.…See more Responsibilities include debugging complex technical issues, conducting code reviews, performing kernel debugging, and supporting customer field issues. Required qualifications include a Bachelor's degree in Computer Engineering or related field; preferred skills include strong C/C++ programming, Linux embedded development, networking protocols (TCP/IP, IPv4/IPv6, Wi-Fi), and familiarity with CI/CD pipelines and Agile methodologies.

Axos Bank seeks a Systems Engineer to manage and monitor infrastructure and system installations, including configurations, testing, and maintenance. The role requires seven years of progressively responsible experience in VMware infrastructure deployment and administration, Horizon VDI, Citrix Virtual Apps and Desktops, Citrix NetScaler, storage systems (HPE Nimble, SAN/Brocade), Ivanti User Virtualization, Active Directory/DNS/DHCP, and Microsoft Azure administration.…See more Candidates must hold a Bachelor's degree in Electronic Engineering, Computer Science, or a related field.

Qualcomm seeks an Embedded Systems Software Engineer to design, develop, and maintain embedded networking software for wireless broadband and automotive telematics platforms. You will work across multiple middleware stacks (RDK-B, prplOS, OpenSync, OpenWRT, Linux Yocto) and collaborate with cross-functional teams on connectivity protocols, system services, and platform layers.…See more Responsibilities include debugging complex technical issues, conducting code reviews, performing on-target and off-target Linux kernel debugging, and supporting field issues. The role requires strong C/C++ programming skills, solid understanding of networking fundamentals (TCP/IP, IPv4/IPv6, DHCP, DNS, Wi-Fi, VLAN), and experience with Linux-based embedded systems development.

Design, build, and operate cloud-native platform features and services with hands-on engineering focused on Kubernetes, distributed systems, and infrastructure automation. Deliver well-defined work iteratively from implementation through production, contributing to reliability, scalability, and operability through testing, instrumentation, and on-call participation.…See more Collaborate with senior engineers on platform standards while mentoring junior team members. Requires 5+ years of software development experience (or equivalent), production experience with Kubernetes, exposure to at least one major hyperscaler (AWS, Azure, GCP), and proficiency in Go or another systems language.

Staff-level cloud software engineer responsible for building and operating Intuit's edge, CDN, and WAF infrastructure protecting ~100M customers. Design and automate self-service platforms for CDN/WAF onboarding, edge security policies, DNS, and certificate lifecycle management across Akamai and AWS.…See more Engineer APIs, UIs, and infrastructure-as-code solutions; troubleshoot the full packet path; and direct AI agents to scale operations. Provide 24x7 incident response and mentor engineers on networking, security, and cloud platform best practices.

Qualcomm seeks an Embedded Systems Software Engineer to design, develop, and maintain embedded software for wireless broadband and automotive telematics platforms. You will work across networking and platform layers, debugging complex issues and collaborating with cross-functional teams on features spanning connectivity protocols, system services, and embedded software stacks.…See more The role requires strong C/C++ programming, Linux expertise, and familiarity with networking fundamentals (TCP/IP, WiFi, etc.), with desirable experience in middleware platforms like RDK-B, OpenSync, and OpenWRT. You will participate in the full software lifecycle including design, coding, unit testing, integration, validation, and code reviews, while supporting customer issues and performing on-target and off-target Linux kernel debugging.

As an IT Support Engineer I, you will implement technical solutions and provide high-quality support for computer hardware, operating systems, and enterprise application software across Amazon's global operations. You will troubleshoot and resolve network, infrastructure, and computing system issues in multi-user, high-availability environments, ensuring production availability.…See more Responsibilities include network engineering, systems administration, managing technical projects, and identifying root causes of operational issues. The role requires hands-on experience with Windows Server, networking protocols, PC repair and deployment, and corporate IT service delivery.

The Network Specialist provides operational support for DoD Defense Health Agency LAN/WAN infrastructure at Naval Medical Center San Diego, including daily troubleshooting of core and edge switches, resolving network and routing protocol issues across all OSI layers, and supporting routing, switching, firewall, and cabling equipment. The role requires expertise in TCP/IP, routing protocols, firewall/VPN technologies, and hands-on maintenance of LAN/WAN systems.…See more Candidates must hold a Bachelor's degree in a technical discipline plus 3 years of experience (or equivalent vocational certification plus 8 years), an active Secret clearance or higher, and Security+ CE certification with current CCNA or equivalent.

This role provides Tier 2 technical support for Windows and Linux systems, network infrastructure, and enterprise applications in a classified DoD environment. The administrator will configure and maintain operating systems, troubleshoot hardware and software issues, support distributed systems (Hadoop, Kafka, HBase/Accumulo, Spark), and utilize automation tools including Bash, PowerShell, Python, Ansible, Puppet, and Terraform.…See more Responsibilities include maintaining compliance with DoD and Intelligence Community security requirements, collaborating with engineering and cybersecurity teams, and documenting technical procedures. An active TS/SCI clearance and DoD 8570/8140 IAT Level I certification are required.