Windows Systems Administrator

Job Description

Job Description

Description:

At The One 23 Group, our mission is to set the benchmark for excellence in government services. We empower our clients in the Department of Defense, Intelligence Community, and Federal Civilian sectors to excel with our advanced capabilities. Our dedication lies in fostering a people-first culture, underpinned by steadfast ethical principles. Embracing innovative technologies and process improvements, we are steadfast in our journey toward a future that is both bright and transformative.

Our expertise spans Enterprise IT, Mission IT and Cyber. With our global footprint, we place a strong emphasis on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management. We pride ourselves on our extensive experience and effective approach, ensuring that we lead with both innovation and integrity.

Serve as a Windows System Administrator for the JSSC, responsible for managing the functionality and efficiency of multiple Windows / UNIX based Operating Systems and supporting systems within the Windows / UNIX operating Environment (OE) supporting the JSSC.

RESPONSIBILITIES:

• Provide advanced technical support and guidance for Windows/UNIX systems and associated middleware to maintain, upgrade, deploy, and secure classified systems supporting JSSC operations.
• Support desktop and virtual client management, including setting up administrator accounts, maintaining documentation, optimizing system performance, installing software, validating patches, and troubleshooting faults using diagnostic tools.
• Engineer hardware and software architectures for MS Windows, including client virtualization, to enhance customer operating environments while ensuring cybersecurity for JSSC and its customers' assets.
• Collaborate with external organizations, customers, and technical teams to establish partnerships, address complex technical issues, and participate in change and configuration control functions.
• Evaluate and recommend software, procedures, and project plans, ensuring prompt resolution options, patch management, and compliance with government requirements for desktop/client operating systems and software.
• Support packaging and customization of COTS software, perform installations, configurations, and maintenance of custom applications, including web applications and script-based tasks.
• Analyze application and system diagnostics, resolve performance challenges, administer system utilities, and monitor and tune Windows/UNIX-based environments to improve reliability and performance.
• Maintain server operating systems, COTS, and GOTS software, conduct performance monitoring, and provide cybersecurity support to ensure the security posture of supported systems and tools.
• Develop, install, and monitor Windows/UNIX operating systems and associated software, collaborating with customers to determine functional requirements and coordinating with development teams for systematic enhancements.
• Engineer hardware and software architectures for MS Windows, UNIX/LINUX, various database systems, and Cloud infrastructures, performing non-emergency maintenance, repairs, and upgrades during off-business hours.
• Maintain daily operations log and weekly maintenance schedule to document significant events and maintenance activities, including systems being maintained, schedule, and authorizations.
• Exercise sound independent judgment in developing methods, techniques, and evaluation criteria, identifying upgrade needs, and anticipating customer requirements to effectively plan, schedule, and oversee system upgrades.
• Ensure compliance with safety and security requirements, worksite access protocols, training, certifications, and other assigned duties/projects.

QUALIFICATIONS:

• Minimum Active Top-Secret Clearance with SCI Eligibility; AND,
• High school diploma or equivalent; AND,
• Active DoD 8140/8570 Information Assurance Technical Level II (IAT-II) CompTIA Security+CE or equivalent; AND
• 10+ years of general information technology experience, including:
  • proven experience in Windows System Administration, preferably in a government or military environment.
  • strong knowledge of MS Windows environments, virtualization technologies (VMWare), and network protocols.
  • familiarity with COTS, GOTS, and Open-Source software.
  • ability to troubleshoot, debug, and customize software and applications.
  • excellent problem-solving and communication skills.

Equal opportunity employer, including disability/vets

ADDITIONAL INFORMATION

• 100% on-site at the Pentagon.