Results for Wireless Network Engineer Jobs in San Francisco, CA

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Systems Engineer

Fremont, CA
onsite
Temporary / Contract
47.5 - 55 USD / Hourly
We are looking for a Systems Engineer to support and enhance core enterprise infrastructure in Fremont, California. This Contract position will focus on maintaining secure, reliable, and efficient environments across directory services, server platforms, messaging systems, and virtualized technologies. The ideal candidate brings strong technical depth in Microsoft-based infrastructure and a proactive approach to troubleshooting, administration, and continuous improvement. Responsibilities: • Administer and optimize Active Directory environments, including user access, group policies, and directory health. • Manage Microsoft Windows Server systems to ensure stability, performance, and ongoing operational readiness. • Support Azure Active Directory administration, including identity management and access control configuration. • Maintain and troubleshoot Citrix technologies to provide dependable application and desktop delivery services. • Oversee Microsoft Exchange administration, including mailbox management, system performance, and issue resolution. • Monitor infrastructure services and respond to incidents with timely diagnosis and corrective action. • Implement system updates, patches, and configuration changes while minimizing service disruption. • Document technical procedures, environment changes, and support activities to maintain operational visibility.
2026-10-28T00:00:00Z

Cyber Security Engineer

Fremont, CA
onsite
Temporary / Contract
55.4135 - 64.163 USD / Hourly
We are looking for a Cyber Security Engineer to support and strengthen enterprise security operations in Fremont, California. This Long-term Contract position is ideal for a detail-oriented individual who brings hands-on expertise in network protection, firewall administration, and secure infrastructure management. The role focuses on maintaining resilient security controls, improving configuration standards, and helping protect critical systems from evolving threats. Responsibilities: • Administer and optimize cybersecurity controls across network and infrastructure environments to maintain strong system protection. • Manage, monitor, and troubleshoot Check Point and Cisco ASA firewall platforms to ensure reliable and secure connectivity. • Review firewall rules, implement policy updates, and enforce access controls in line with security best practices. • Maintain accurate configuration standards and support change activities to improve consistency across security devices. • Investigate security issues affecting network defenses and coordinate timely resolution to minimize operational risk. • Partner with technical teams to align security measures with infrastructure needs and compliance expectations. • Assess existing security configurations and recommend enhancements that strengthen the overall defensive posture.
2026-10-28T00:00:00Z

Systems/Infrastructure Engineer

Petaluma, CA
onsite
Permanent / Full Time
110000 - 135000 USD / Yearly
A growing private aviation services organization is seeking a Senior Systems / Infrastructure Engineer to support and secure its enterprise infrastructure, cloud platforms, and business-critical systems. This is a hands-on role responsible for administering Microsoft technologies, Azure cloud environments, virtualization platforms, networking, and security tools while driving infrastructure modernization and operational excellence.What You'll OwnMicrosoft 365, Azure administration and migrations, Active Directory, Entra ID, VMware/Hyper-V, infrastructure modernization, security tools, and identity management. Networking experience is important but serves as a supporting component of the role rather than the primary focus.Role FocusThis position is primarily centered on systems administration and infrastructure engineering, with significant responsibility for Azure administration, cloud implementations, migrations, and hybrid environments. You'll work across Microsoft technologies, virtualization, identity management, and security platforms while helping drive modernization initiatives throughout the organization. Security operations and network administration are important aspects of the role, but deep network architecture is not the primary focus.Key ResponsibilitiesInfrastructure & Cloud Administration<ul><li>Administer and support Microsoft 365, Entra ID (Azure AD), Active Directory, Windows Server, Group Policy, and hybrid cloud environments.</li><li>Lead and support Azure administration, implementation, migration, and optimization projects.</li><li>Design, deploy, and maintain Azure cloud services, hybrid identity solutions, and cloud-based infrastructure.</li><li>Manage VMware and Hyper-V environments, enterprise servers, storage, backups, and core infrastructure.</li><li>Implement patching, monitoring, system hardening, and infrastructure best practices.</li></ul>Network Administration<ul><li>Manage and troubleshoot enterprise LAN/WAN environments.</li><li>Support switches, routers, firewalls, VPNs, wireless infrastructure, and network segmentation.</li><li>Ensure high availability, performance, and reliability across on-premises and cloud environments.</li></ul>Security & Identity Management<ul><li>Administer Okta, MFA, identity governance, privileged access, and user lifecycle management.</li><li>Support SIEM, EDR, vulnerability management, endpoint security, IDS/IPS, and security monitoring platforms.</li><li>Perform vulnerability remediation, risk reduction, and security hardening initiatives.</li><li>Implement Zero Trust security principles and secure access controls.</li></ul>Incident Response & Compliance<ul><li>Participate in security incident response, investigation, root cause analysis, and remediation efforts.</li><li>Support compliance initiatives related to NIST, CIS, SOC 2, GDPR, and CCPA.</li><li>Maintain technical documentation, infrastructure diagrams, runbooks, and operational procedures.</li></ul>
2026-10-07T00:00:00Z

Network/Systems Manager

Livermore, CA
onsite
Temporary to Hire
65 - 70 USD / Hourly
We are looking for an experienced Network/Systems Manager to join our team in Livermore, California. This is Network/Systems Manager a Contract-to-Permanent position offering an opportunity to lead and oversee critical network operations while collaborating with management and technical teams. The ideal Network/Systems Manager will take ownership of network systems, provide strategic recommendations for improvements, and ensure seamless technology operations across multiple sites. This is an onsite position sitting in Livermore, Ca. The ideal Network/Systems Manager will have Palo Alto firewall experience, strong Cisco networking skills, and a background in Active Directory, VMware, and Google Workspace. The Network/Systems Manager will also help manage security in collaboration with our managed security provider, including patch management, configurations, and oversight of new firewall deployment. Experience with Cisco VoIP systems—particularly in design and configuration—is preferred. When the current manager is out, this Network/Systems Manager role will act as the primary liaison to upper management, requiring excellent communication skills and the ability to present clearly to executives. You will also be the go-to person for staff when issues arise, ensuring problems are addressed quickly and effectively. Responsibilities:•Key Responsibilities<ul><li>Oversee the network and virtual server environments, ensuring reliable and secure operations across all sites.</li><li>Administer LAN/WAN infrastructure including Cisco network equipment, virtualization platforms (VMware), Active Directory, user accounts, and network services.</li><li>Manage and configure firewalls (Palo Alto) and coordinate with security providers for patching, monitoring, and threat mitigation.</li><li>Oversee deployment of new network and security hardware, including upcoming firewall projects.</li><li>Configure and support Cisco VoIP systems, including design and implementation.</li><li>Troubleshoot and resolve hardware, software, and network issues to minimize downtime.</li><li>Evaluate requests for technical assistance, determine appropriate actions, and assign resources accordingly.</li><li>Collaborate with leadership to plan short- and long-term technology upgrades, replacements, and system improvements.</li><li>Design and optimize network architectures (e.g., VLAN, VPN, routing, content filtering, QoS, IDS/IPS, etc.) for high performance and security.</li><li>Install and update network software, service packs, and security patches across multiple platforms.</li><li>Monitor servers, appliances, and network devices to ensure proper performance and availability.</li><li>Lead technology projects, including migrations, new implementations, and product evaluations, ensuring they meet deadlines and quality standards.</li><li>Coordinate with internal teams, vendors, and contractors to complete projects and resolve issues efficiently.</li><li>Prepare documentation including network maps, technical reports, procedures, and recommendations for improvements.</li><li>Stay informed on industry trends, tools, and best practices to inform purchasing and operational strategies.</li><li>Act as a primary contact for management, providing updates, reports, and recommendations.</li></ul>
2026-10-08T00:00:00Z

Engineering Technician

Fairfield, CA
onsite
Temporary / Contract
33 - 36 USD / Hourly
Robert Half is seeking an Engineering Technician to support municipal engineering, development review, permitting, and public works activities. This Engineering Technician position provides a combination of office and field technical engineering support, including reviewing construction and subdivision plans, assisting with development review, preparing engineering drawings, supporting field survey activities, and issuing encroachment permits.The ideal Engineering Technician candidate will have experience working with civil engineering plans, land development, public works projects, surveying, or municipal engineering and be comfortable working with engineers, contractors, developers, property owners, and the general public. Key Responsibilities<ul><li>Review subdivision final maps, parcel maps, and construction plans for compliance with City Planning and Engineering requirements and accepted construction practices.</li><li>Review and interpret civil engineering plans associated with streets, utilities, land development, and public infrastructure improvements.</li><li>Prepare engineering plans, specifications, profiles, cross-sections, and related technical drawings.</li><li>Perform horizontal and vertical alignment calculations and other engineering computations supporting:</li><li>Street improvements</li><li>Curb and gutter construction</li><li>Sewer systems</li><li>Water systems</li><li>Storm drainage</li><li>Parks and other public improvement projects</li><li>Assist with the development review process, including review and coordination of plans submitted for private and public improvement projects.</li><li>Process and issue encroachment permits in accordance with City requirements.</li><li>Provide flood zone determinations and respond to requests for general engineering and development information.</li><li>Participate as a member of a field survey crew, gathering and documenting field data for planning, engineering, and public works projects.</li><li>Assist with construction staking, improvement-site surveys, and property boundary surveys.</li><li>Use surveying equipment to obtain accurate field measurements and assist with survey calculations.</li><li>Reproduce, organize, and assemble engineering plans, specifications, maps, and related documents.</li><li>Maintain accurate records associated with engineering drawings, surveys, permits, and field activities.</li><li>Prepare technical documentation and reports as required.</li><li>Coordinate and communicate with City employees, engineers, contractors, developers, property owners, and members of the public.</li><li>Perform other related engineering support duties as assigned.</li></ul>
2026-10-28T00:00:00Z

Software Engineer II AI Engineer (w/ skills in Deployment)

San Ramon, CA
remote
Permanent / Full Time
85000 - 124000 USD / Yearly
Robert Half is seeking a Software Engineer II – AI Engineer who will analyze, design, program, debug, test, implement, deploy, and support software enhancements and new applications using Generative AI technologies. This role contributes to the development and production deployment of GenAI-enabled applications, including LLM-powered workflows, RAG pipelines, and AI-driven user experiences. This role supports SDLC documentation across all phases, with a focus on deployment, evaluation, observability, safety, and monitoring. It also interacts with users to define requirements and support applications in production. What You’ll Do <ul><li>Develop and modify application modules, including GenAI components. </li><li>Build prompt workflows, retrieval layers, APIs, and cloud services. </li><li>Troubleshoot production issues, including latency, hallucinations, and errors. </li><li>Provide Level II production support for deployed systems. </li><li>Design components, including LLM integrations and RAG pipelines. </li><li>Implement CI/CD pipelines, containerization, and release processes. </li><li>Develop RAG pipelines with embeddings, chunking, and vector search. </li><li>Apply prompt engineering techniques, including few-shot prompting and structured outputs. </li><li>Evaluate models for accuracy, relevance, and hallucination risk. </li><li>Implement safety guardrails, including PII protection and prompt-injection defense. </li><li>Execute testing, including unit, integration, and GenAI evaluation testing. </li><li>Monitor production systems for latency, cost, usage, and errors. </li><li>Support incident management with fallback and recovery strategies. </li></ul>
2026-09-28T00:00:00Z

6 results for Wireless Network Engineer in San Francisco, CA