Sr. Systems Administrator (Unix/Linux) - Navy - Top Secret/SCI Required
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The Role
The Sr. Systems Administrator will manage Unix/Linux systems, ensuring availability, performance, security, and compliance with DoD policies while supporting integration and automation efforts.
Summary Generated by Built In
cFocus Software seeks a Sr. Systems Administrator (Unix/Linux) to join our program supporting the Department of Defense (DoD). This position is remote. This position requires the ability to obtain a Top Secret/SCI clearance.
Qualifications:
Qualifications:
- Six (6) years of professional experience in Unix and/or Linux system administration of networks and software systems.
- Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and COTS software; operating computer systems in different operating environments; and sizing, performance, tuning, hardware/software/network trouble shooting and resource allocation.
- Qualified experience in different network protocols including TCP/IP and major network security tools such as: firewalls, knowledge of computing and networking vulnerabilities, attach methods and latest detection methods.
- Active DoD IAT Level III certification
- Administer, maintain, and optimize Unix/Linux servers to ensure high availability and performance.
- Perform system installations, upgrades, and patches in accordance with approved change control procedures.
- Monitor system performance and capacity, identifying and resolving technical issues proactively.
- Manage and maintain user accounts, permissions, and access controls in compliance with DoD security policies.
- Implement and monitor system backups, disaster recovery, and business continuity processes.
- Develop and maintain system documentation, standard operating procedures (SOPs), and configuration baselines.
- Support integration of Unix/Linux systems with other enterprise platforms and applications.
- Troubleshoot and resolve complex system and network issues, escalating as necessary to engineering teams.
- Collaborate with cybersecurity personnel to ensure systems meet compliance requirements such as STIGs and RMF controls.
- Assist with vulnerability scanning, patch validation, and remediation efforts to maintain system security posture.
- Participate in system audits, inspections, and accreditation activities as required by the PWS.
- Provide Tier III support and mentorship to junior administrators and technical support personnel.
- Perform system monitoring and generate operational reports on uptime, capacity, and incident metrics.
- Support automation efforts using scripting languages (e.g., Bash, Python, Ansible) to streamline administrative tasks.
- Participate in after-hours maintenance windows and on-call rotations to support mission-critical systems.
Top Skills
Ansible
Bash
Firewalls
Linux
Python
Tcp/Ip
Unix
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The Company
What We Do
Established in 2006, cFocus Software automates FedRAMP compliance and develops government chatbots for the Azure Government Cloud, Office 365, and SharePoint.
cFocus Software is the exclusive vendor of ATO (Authority To Operate) as a Service™, which automates FedRAMP compliance for the Azure Government Cloud and Office 365.
Contact Us for a demo of ATO as a Service™ or a FREE government chatbot proof of concept project today!
