Unix Systems Administrator

** MUST possess at minimum an ACTIVE Top Secret clearance with SCI eligibility**

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 War, 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 consulting and analytics, digital workplace solutions, and cyber compliance. 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.

In this role, you will serve on the Integrated Information Management Systems – Information Technology Support Services (IIMS-ITSS) contract as a Unix Systems Administrator for the JSSC at the Pentagon, Washington DC, responsible for support in managing the functionality and efficiency of multiple JSSC owned/operated systems and providing customer application development/administration supporting systems within the National Military Command Center (NMCC) Command and Control System (NCCS) Operating Environment (OE).

1. Provide high level, Tier III technical systems administrative support for the NCCS OE, associated systems, and custom interfaces and applications supporting JSSC operations including tasks related to database administration, data management, network infrastructure management, and software management in production and testing environments, and with minimal direction, independently analyze and resolve exceptionally complex issues, applying extensive technical expertise to develop innovative solutions that meet customer needs.

2. Complete essential system and database administration functions working with a matrixed team of technicians to include both government and contractor, set up and maintain multiple and different versions of UNIX operating systems, supporting tools, middleware, and privilege sets, attend and actively participate in change and configuration control functions, and implement Security Technical Implementation Guides (STIG) in direct support of Information Assurance Vulnerability Management (IAVM)

3. Operate with appreciable latitude to analyze diagnostics of applications, system and vendor software, and operate with appreciable latitude in developing methodology and presenting solutions to problems regarding operating system/database management system/application system performance/challenges, administer/execute utilities, system and vendor software; and monitoring and tuning systems/applications within the NCCS OE. Provide authoritative guidance on complex technical issues, offering expert analysis and recommendations to improve system performance and ensure compliance with mission requirements.

4. Create/Engineer custom applications and or processes to include creating web applications, developing script bases tasks, building custom applications, installing/configuring different applications, and operating and maintaining the custom applications while ensuring version control and providing software packaging and delivery support by demonstrating ingenuity and creativity in problem-solving.

5. Prepare system architecture and designs including software, hardware, communications and interface requirements and perform systems definition, trade-off and design activities,…