System Administrator (Intermediate)

• Installation and Provisioning: Install, configure, and maintain physical and virtual servers (Windows Server 2019/2022, Red Hat Enterprise Linux, Ubuntu) and enterprise workstations. Infrastructure Management: Administer essential network services including Active Directory (AD), Group Policy Objects (GPOs), Domain Name System (DNS), and Dynamic Host Configuration Protocol (DHCP).
• Virtualization Support: Maintain and optimize VMware ESXi environments, vCenter Server, and associated virtual infrastructure to ensure maximum uptime. Backup & Recovery: Implement, test, and maintain robust data backup, disaster recovery, and system replication plans.
• Storage Administration: Assist in managing network-attached storage (NAS) and storage area network (SAN) configurations.

• Vulnerability Remediation: Regularly review, assess, and patch vulnerabilities identified by automated scanning tools such as ACAS (Assured Compliance Assessment Solution) and Nessus. System Hardening: Apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) to operating systems, browsers, and application enclaves to ensure compliance with Risk Management Framework (RMF) and NIST SP 800-53 standards.
• Audit and Compliance: Collaborate closely with Cybersecurity Professionals to compile and maintain RMF-compliant documentation, system security plans, and configuration management logs. Certificate Management: Implement and troubleshoot Public Key Infrastructure (PKI) and Single Sign-On (SSO) configurations.

• Automation: Develop and refine administrative scripts using PowerShell, Bash, or Ansible to automate recurring tasks, patching schedules, and security configuration baselines. Network Troubleshooting: Provide configuration and basic troubleshooting support for enterprise switches (e.g., Cisco), firewalls, and secure local area network (LAN) connections.

• Ticketing System: Familiarization and experience with support ticketing system such as ServiceNow to actively management customer requests and system projects. Tier II/III Support: Deliver advanced technical troubleshooting, end-user training, and incident resolution for escalated helpdesk requests. Documentation: Draft and maintain system administrator manuals, standard operating procedures (SOPs), and system architecture diagrams using tools like Microsoft Visio.
• Required Education & Experience Education: Bachelor’s Degree in Computer Science, Information Technology, Cybersecurity, or a related STEM field. Appropriate experience can be accepted in lieu of Degree.
• Experience: A minimum of five (5) years of relevant systems administration experience.
• Proven experience managing virtual environments (VMware ESXi, vSphere, or vCenter).
• Strong working knowledge of Windows Server administration, Active Directory, and GPOs. Hands-on experience administering Linux environments (specifically RHEL or Ubuntu).
• Demonstrated experience with vulnerability scanners (ACAS, Nessus, SCAP Compliance Checker).
• Familiarity with patch management software (WSUS, Tanium, or Ansible).
• Preferred (Desired)

Direct experience supporting the US military and agency programs in Huntsville, AL.

• Experience with containerization technologies such as Red Hat OpenShift, Kubernetes, or Docker.
• Experience with Continuous Integration/Continuous Delivery (CI/CD) environments and tools (Gitlab, Ansible Automation, Jenkins, or Azure DevOps). Active Server certifications: Server+.
• On-site Status: 100% on-site in Huntsville, AL
• Work Hours: Standard business hours; however, systems are operational 24x7. Candidates must have the flexibility to participate in an on-call rotation or periodic work outside standard hours to perform system patching/upgrades.
• Physical Requirements: Ability to lift and rack standard IT equipment (up to 35-40 lbs), work under raised floor environments, and navigate typical laboratory and server room spaces.
• Travel: Minimal domestic travel (up to 10%) may be required to support secondary contractor sites or exercise events.
• Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.
• Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.
• Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.
• Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.
• Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.
• Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.