Senior System Administrator

Job Title: System Administrator 3 - Field Operations Support Job Number: 120021 On Call: Yes, May work non-core hours Overtime: 10% Travel: Up to 10% local and field travel Length: 5 years MUST be US Citizen to be eligible to apply for Federal Background Check Requires Real ID and or Valid Passport to interview SUMMARY This contract System Administrator 3 position will work within the Operational Infrastructure organization within Transmission Technology group in the Operational Technology business line. This division provides hardware maintenance lifecycle support for the corporate Control Center systems. This division also provides General Support System (GSS) infrastructure maintenance, troubleshooting, repair, emergency response, client support, system energization/acceptance testing, and performance analysis and trending POSITION RESPONSIBILITIES Configuring applicable software and systems, maintaining local documentation, installing/updating/removing software, applying change control processes and procedures, planning, and preparing for future growth, troubleshooting, and resolving technical issues, and performing system-related training for the following systems: Server administration Vulnerability Scanning, including Nessus Cyber Vulnerability Assessment and Mitigation Research Implementation, design, and maintenance of least privileged and role-based access control models Patch Management of network and compute devices Server Virtualization, i.e., Hyper‑V, VMWare vSphere Network Virtualization, i.e., VMWare NSX, Cisco ACI Antivirus, antimalware, and malicious code prevention Storage services, i.e., Nexgen, Pure, vSAN, other network‑attached storage arrays Display infrastructure Display infrastructure Laptop and workstation support Support of in‑house developed applications Windows file services Research, test, and draft / document standardized technical procedures for the deployment of server and workstation computer hardware and associated operating systems Perform regular assessments of newly discovered vulnerabilities on a wide range of operational network devices, computer systems devices and various software packages. Implement, design, and maintain least privileged and role-based access control models. Research, test, and document standardized technical procedures for the deployment of server and workstation computer hardware and associated operating systems Respond to help desk client support calls utilizing change management software to process and complete the tasks necessary for resolution of technical client issues Support and assist the corporate team lead and North American Electric Reliability Corporation - Critical Infrastructure Protection (NERC-CIP) subject matter experts (SMEs) with implementing, analyzing, and reporting on the operational compliance of all Control Center cyber assets. Develop, draft, and recommend improvements to the Control Center’s procedures and processes for compliance with corporate and NERC‑CIP standards and policies. Develop, draft, and recommend improvements to the Control Center’s procedures and processes for the corporate Grid Modernization project Assist corporate management with the implementation and promotion of approved operational compliance process improvement efforts Support the field service support desk function, scaling from a single technician to a three‑person operation while maintaining uninterrupted support to field staff throughout the transition. Serve as the senior technical resource and day‑to‑day point of coordination for helpdesk operations, establishing ticket triage, workflow, and escalation practices Develop tiered service‑level agreements that separate field‑urgent incidents (a technician work stoppage) from routine requests, with response and resolution targets calibrated to operational impact rather than a single blanket standard. Establish escalation and on‑call procedures Build onboarding and cross‑training plans Develop a knowledge base of known issues, fixes, and FAQs Evaluate and recommend ticketing/ITSM tooling (or configure the existing system) to support intake, prioritization, SLA tracking, and reporting, favoring automation over manual hand‑offs. Define and track service desk KPIs first‑contact resolution, time‑to‑respond/resolve by tier, SLA attainment, and volume trends and report performance Establish a recurring review cadence to refine SLAs and workflows from field feedback Education & Experience A degree in Computer Science, Information Technology, or a directly related technical discipline is preferred. 8 years of experience is required with an Associate’s or Bachelor’s degree in applicable fields. 10 years of experience is required without an applicable degree. Required Skills & Experience 2 years of experience / working knowledge and experience sufficient to successfully support and maintain a virtualized and converged computer environment. Working knowledge and experience sufficient to successfully support, maintain, and troubleshoot enterprise Windows infrastructure using active directory, group policy, PowerShell, and other Windows utilities Preferred Skills & Experience Experience setting up and administering an enterprise cyber vulnerability scanning and assessment infrastructure. Experience administering computer systems in a 24/7 high availability operational environment. Administration and maintenance of network systems infrastructure management tools or systems including anti‑virus, patch deployment, log management, software deployment and backup and recovery functions. Experience administrating and performing and analyzing scans using Nessus. Experience in researching vulnerabilities and deploying security patches in a large IT infrastructure environment. Windows operating systems packaging, installation, and troubleshooting. Administration of virtualization technologies including VMWare and Hyper‑V. Experience with administering both network and host‑based firewalls. Experience troubleshooting LAN connectivity problems. Experience using specific technologies such as Splunk, Remote Desktop Services, IIS, Wireshark, App‑V, Tripwire, Trend Micro, LANDesk, Sysinternals Tools, Puppet Enterprises, Checkpoint Firewall, Veeam backup, HP, and Cisco server hardware, KVM hardware, PowerShell Pre-Employment Requirement All employment offers are contingent upon successful completion of our pre‑employment screening that may include drug testing, background/criminal check, and if applicable, must meet eligibility requirements for access to classified information. APR Staffing is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law. #J-18808-Ljbffr