Company Overview ExeQut is a leader in consulting delivering customized solutions and systems integration for enterprise applications data & AI platforms identity access and management cybersecurity and software development. We emphasize transparency collaboration and addressing core business challenges through a structured agile development process. Our clients include federal civilian agencies commercial enterprises in healthcare IT and financial services and state/local government entities seeking complex technology solutions that deliver real impact. Partnering with clients from ideation to deployment we ensure our solutions deliver long-term value and streamline the user experience. Role Overview The Systems Administrator is responsible for the administration configuration and maintenance of NLM's server infrastructure computing systems and network environments. This role ensures system availability performance and security in compliance with FISMA and NIH policies. Key Responsibilities Administer configure and maintain Linux and Windows servers and operating systems. Set up and administer user accounts disk quotas permissions and access controls. Monitor system performance and availability identify and resolve performance issues. Track and manage problem reports using JIRA and ServiceNow ticketing systems. Create and maintain technical documentation using Confluence Wiki. Provide customer service and technical support to internal and external staff in plain language. Support secure remote access to cloud computing storage and service platforms. Administer distributed computing systems including batch queuing software. Implement and maintain FISMA-compliant security practices firewalls intrusion detection systems secure computing environments disaster recovery. Provide security management to identify and resolve vulnerabilities in Windows and Linux systems. Conduct ongoing vulnerability assessments and ensure resolution within prescribed timelines. Support cloud computing infrastructure for production web services HPC and high-throughput processing. Assist in implementation of computer security practices including Government FISMA policies. Manage on-boarding/off-boarding of system users maintain system access rosters. Support Authority to Operate (ATO) maintenance activities. Required Skills & Qualifications Bachelor's degree in information technology Computer Science or related field. Minimum 4–6 years of systems administration experience in a federal or enterprise environment. Expert-level Linux (RHEL CentOS Ubuntu) and Windows Server administration. Experience with cloud platforms (AWS GCP Azure) and IAM administration. Strong knowledge of FISMA NIST SP 800-53 and NIH security requirements. Experience with firewall management VPN and intrusion detection systems. Familiarity with vulnerability scanning tools (Tenable). Experience with ticketing systems (JIRA ServiceNow). Knowledge of backup disaster recovery and business continuity practices. Security+ or equivalent certification preferred. Technologies & Tools Linux (RHEL/CentOS/Ubuntu) Windows Server Apache HTTP Server NGINX Tenable Security Center (vulnerability management) JIRA ServiceNow (ticketing) Confluence Wiki (documentation) AWS GCP Azure (cloud administration) Firewalls VPN IDS/IPS systems Hadoop (distributed computing administration) Docker (basic container support) Why Join ExeQut? If you are a driven professional with Data & Scientist and you want to make an impact by working on high-profile projects across North America we'd love to hear from you. Apply now and be part of ExeQuts journey to transform businesses through innovation and technology.