Systems Administrator

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 ExeQut s journey to transform businesses through innovation and technology.

Originally posted on Himalayas