Senior Systems Administrator

Department: Information Technology Benefits include, but are not limited to: 9/80 Compressed Work Schedule (office closed every other Friday) 14 paid holidays 457 tax-deferred savings plan Employer paid pension contribution of 14% to base salary Social security exempt Tuition reimbursement up to $5,000 annually Sharp PPO or HMO Plan, Kaiser Permanente HMO Plan, Dental Vision Flexible spending account Health and wellness perks Rewards & Recognition program To see full benefits package, please visit: About SDHC: The San Diego Housing Commission (SDHC) is an award-winning public housing agency in the City of San Diego that provides innovative housing assistance programs for households with low income or experiencing homelessness. The San Diego City Council, in its role as the Housing Authority of the City of San Diego, oversees SDHC. SDHC helps pay rent for more than 17,000 households with low income annually; is a leader in collaborative efforts to address homelessness, such as the Community Action Plan on Homelessness for the City of San Diego and SDHC’s homelessness initiative, HOUSING FIRST – SAN DIEGO, which has created more than 11,000 housing solutions since November 2014 for people experiencing homelessness or at risk of homelessness; and creates and preserves affordable rental housing, with more than 23,000 affordable units in service in the City today with SDHC’s participation. About the Department: The Information Technology (IT) Department supports the agency's mission by ensuring that its core business applications, cyber security defenses, and departmental processes are implemented, regularly reviewed and updated, and comply with industry best practices. Underlying each of these functions is the IT Department's oversight of data governance - the overall management of data assets for SDHC regardless of where data is stored or who is consuming it. About the Position: SDHC operates a multisite hybrid infrastructure with tightly integrated on-prem systems, cloud identity, virtualized workloads, modern collaboration platforms, layered security tooling, and enterprise grade backup/replication systems. The Senior Systems Administrator is responsible for infrastructure engineering, cloud identity integration, high availability systems operations, and cross stack troubleshooting across network, server, storage, security, and collaboration technologies. You will serve as a senior escalation resource, drive modernization projects, improve reliability and performance, and ensure secure and resilient operations for mission critical systems. Key Technical Responsibilities Hybrid Identity & Access Engineer and support hybrid directory services and cloud identity integrations. Maintain secure authentication flows, conditional access policies, and MFA integrations. Ensure reliable sync, replication, and domain services across on-prem and cloud. Virtualization, Compute & Storage Operate enterprise virtualization platforms, resource optimization, and patching. Manage enterprise storage platforms and multi-tier storage architectures. Oversee backup, replication, immutable storage workflows, and DR readiness across on-prem and cloud environments. Networking & Perimeter Troubleshoot advanced routing, switching, VLAN design, wireless fabric, inter-site connectivity, and cloud-edge routing. Maintain secure remote connectivity, VPN posture, and multi-site network reliability. Assist with firewall policy validation, segmentation alignment, logging, and monitoring. Cloud Platforms & Monitoring Manage hybrid workloads, cloud VMs, backups, logging, and monitoring systems. Support workload migrations, performance base lining, and secure cloud configuration. Troubleshoot resource issues across identity, compute, storage, and network layers. Collaboration & Unified Communications Support enterprise-grade collaboration platforms and unified communications systems. Maintain meeting room technologies, device integrations, and cross-platform interoperability. Security & Resilience Assist cybersecurity teams with alert triage, endpoint hardening, patch management coordination, and secure configuration baselines. Identify recurring issues and drive systemic fixes, hardening, and automation opportunities. Leadership, Documentation & Projects Lead infrastructure upgrades, migrations, and modernization projects. Produce detailed documentation, runbooks, architectural diagrams, and standards. Mentor junior staff and act as senior technical escalation for complex incidents. Coordinate with vendors, engineering teams, and cross-department stakeholders. Preferred Technical Background Deep experience managing hybrid identity environments (on-prem + cloud). Strong troubleshooting ability across the full stack: directory, networking, virtualization, storage, cloud services, endpoint systems, and collaboration platforms. Hands-on experience maintaining enterprise monitoring, backup, replication, and DR environments. Familiarity with MFA platforms, secure remote access technologies, and modern endpoint management solutions. Experience supporting distributed environments with both on-site and remote users. Minimum Requirements Bachelor’s degree in Computer Science, Software Programming, or a related field. Minimum 3 years progressive systems administration experience in an enterprise environment. Ability to obtain a California Driver’s License by appointment. Physical Demands: Must possess mobility to work in a standard office setting and use standard office equipment, including a computer; to operate a motor vehicle and to visit various Commission sites; vision to read printed materials and a computer screen; and hearing and speech to communicate in person and over the telephone. This is primarily a sedentary office classification although standing in work areas and walking between work areas may be required. Finger dexterity is needed to access, enter, and retrieve data using a computer keyboard or calculator and to operate standard office equipment. Positions in this classification occasionally bend, stoop, kneel, reach, push, and pull drawers open and closed to retrieve and file information. Employees must possess the ability to lift, carry, push, and pull materials and objects weighing up to 50 pounds. Environmental Elements: Employees work in an office environment with moderate noise levels, controlled temperature conditions, and no direct exposure to hazardous physical substances. Employees may interact with upset staff and/or public and private representatives in interpreting and enforcing departmental policies and procedures. #J-18808-Ljbffr San Diego Housing Commission