NPES Systems Administrator

This roles supports the Joint Staff Support Center (JSSC) Information Technology Support Services (JSSC-ITSS) contract as a Nuclear Planning and Execution System (NPES) Systems Administrator at the Raven Rock Mountain Complex (RRMC), Blue Ridge Summit, PA. The NPES Systems Administrator will be responsible for maintaining the hardware and software supporting the Site-R NPES server/client baseline and providing Tier I/II/III IT operations support. The position performs systems operations, administration, and maintenance; client and server operations; backup and recovery; storage administration; system patching; troubleshooting; technical documentation; configuration management; and cybersecurity compliance activities necessary to maintain the availability and operational readiness of the NPES environment. The position requires the ability to work with minimal direction, apply extensive technical expertise, independently resolve complex technical problems, and provide subject matter expertise in support of mission-critical information systems. Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act .

Current DoD IAT Level II certification or current DoD 8140 equivalent applicable to the assigned work role, as required for personnel performing Tier II/ Preferred, ITIL Foundation certification or equivalent experience working within ITIL/ITSM processes. Minimum of 10 years of relevant information technology experience Demonstrated experience providing advanced technical support, analysis, troubleshooting, and solutions for complex information technology systems. (ENCORE III Requirement) Demonstrated experience administering enterprise Windows-based server and client environments, including installation, configuration, monitoring, maintenance, patching, troubleshooting, and sustainment. Experience troubleshooting complex system issues involving operating systems, applications, virtualization, system performance, storage, backup and recovery, patching, and cybersecurity requirements. Strong analytical and troubleshooting skills, including the ability to identify root causes, implement corrective actions, and document technical findings and resolutions. Experience performing system testing, software updates, preventive maintenance, and developing and maintaining technical documentation. Ability to independently manage multiple technical priorities and perform assigned responsibilities with minimal supervision. Ability to collaborate effectively within cross-functional environments involving Government and contractor personnel, system and network administrators, cybersecurity professionals, database administrators, and other technical teams. Preferred Qualifications Experience administering Microsoft Windows Server environments and VMware virtualization technologies. Experience with enterprise operating system and software patching using Microsoft Endpoint Configuration Manager (MECM) or similar configuration and patch-management tools. Working knowledge of DNS administration and troubleshooting and UNIX/Linux system administration. Experience supporting classified, mission-critical, or DoD information systems. Familiarity with DISA STIGs, vulnerability remediation, system hardening, and DoD cybersecurity practices.