Job Description
Job Description
The Systems Administrator will support the integration, administration, and security of Nutanix Hyperconverged environments, Linux/Unix and Windows servers, network infrastructure, and mission-critical ICS/OT systems in a DoD setting. This role combines network engineering, Linux administration, and cybersecurity responsibilities to ensure reliable operations, compliance with USMC security requirements, and resilience of monitoring platforms across high voltage, water/wastewater, and mechanical control systems.
Requirements
- Administer and monitor Nutanix Hyperconverged environments supporting FRCS Monitoring servers and applications.
- Configure, manage, and maintain network infrastructure to ensure secure LAN/WAN connectivity for virtualized platforms and ICS/OT systems.
- Support deployment and maintenance of the Cyber Monitoring Services OT Monitoring Platform, including Central Store, Site Store, and distributed Sensors.
- Provide secure network and system integration with Microsoft SQL Server, Windows, and Linux/Unix-based resources.
- Install, configure, and maintain Linux servers in production and lab environments; apply patches, monitor performance, and troubleshoot services.
- Harden Linux systems in accordance with DISA STIGs and DoD security guidance, including user access controls, file system permissions, and audit logging.
- Automate administration tasks using shell scripting, Ansible, or other configuration management tools.
- Utilize the Marine Corps Certification and Accreditation Support Tool (MCCAST V2) to document compliance and maintain security posture.
- Apply DISA STIGs, NIST 800-53, DoDI 8510.01, and RMF standards to guide secure design, configuration, and operations.
- Support implementation of Host-Based Security System (HBSS) to enforce endpoint security controls.
- Administer, patch, and secure ICS/OT platforms (e.g., Metasys, Niagara AX, Honeywell, Rockwell, OSI, Alerton, Trend, KMC, Itron).
- Configure and troubleshoot communication protocols including TCP/IP, VLANs, BACnet/MSTP, BACnet/IP, N2, LON, and SCADA.
- Assist with vulnerability and risk assessments, tracking POA&Ms, and implementing remediation actions.
- Collaborate with cross-functional teams to ensure compliance with USMC DEVSECOPS policies for operational technology.
Benefits
Joining Avint is a win-win proposition! You will feel the personal touch of a small business and receive BIG business benefits. From competitive salaries, full health, and generous PTO and Federal Holidays. Additionally, we encourage every Avint employee to further their professional development. To assist you in achieving your goals, we offer reimbursement for courses, exams, and tuition. Interested in a class, conference, program, or degree? Avint will invest in YOU and your professional development!
Avint is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity and Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.
The salary range for this position is: $95,000-$100,000