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# Sr. Unix Systems Administrator

- **Company:** Amyx, Inc.
- **Location:** Oklahoma City, OK, United States
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** Microsoft Access, JavaScript (Programming Language), IBM AIX, Data Analysis, Apache HTTP Server, Apache Tomcat, Bash Shell, Unix, Cloud Computing, Cluster Analysis, Cyber Security, Linux, File Systems, Domain Name System (DNS), Perl (Programming Language), HP-UX, Hypervisor, Issue Tracking Systems, Storage Area Network (SAN), Korn Shell, Lightweight Directory Access Protocols (LDAP), Windows Servers, Network Attached Storage (Server Appliance), Oracle (Applications), Windows PowerShell, Red Hat Enterprise Linux, Ansible, Web Application Security, Server Administration, Solaris (Operating System), Virtualization Technology, Backup and Restore, X Window System, Scripting, Enterprise Software Applications, HybridCloud, Comptia Linux+, Splunk, Server Operating Systems & Platforms, Citrix Netscaler, Vmware
- **Published:** July 2, 2026
- **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17467749?backUrl=%2Fcareer%2F17467749%2FSr-Unix-Systems-Administrator-Oklahoma-Oklahoma-City

## About the Role

Required:

 * Must have a minimum of five (5) years of relevant Unix Server System Administration experience
 * Must have an IAT Level II certification (e.g., Security+ CE, SSCP, CYSA+, GICSP, GSEC or CCNA Security) and 50 credits of continuing education every 3 years
 * Must have a Unix-based Operating System certification (e.g., RHCSA, RHCE, RHCA, CompTIA Linux+, GIAC Certified Unix Security Administrator, Oracle Solaris System Administrator Certified Professional, etc.)
 * Must have a fully adjudicated (non-interim) DoD Secret Clearance in order to be able to access and provide SIPRNET support at a DISA location

Desired:

 * Along with the required Unix Server administration experience, the desire is for this position to have experience with Windows Server Operating Sytems
 * Familiarity with Windows scripting (Ansible, PowerShell, Javascript, etc.)
 * Prefer candidate to have worked in a DoD environment previously, particularly DISA if possible, Employee needs to be able to sit at a workstation for extended periods; use hand(s) to handle or feel objects, tools, or controls; reach with hands and arms; talk and hear. Most positions require ability to work on desktop or laptop computer for extended periods of time reading, reviewing/analyzing information, and providing recommendations, summaries and/or reports in written format. Must be able to effectively communicate with others verbally and in writing. Employee may be required to occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Regular and predictable attendance is essential.

## Description

Amyx is seeking to hire a Senior Unix Systems Administrator to support DISA's Hybrid Cloud computing environment on-site at one of their six (6) locations in the U.S. (Fort Meade, MD; Crystal City, VA; Mechanicsburg, PA; Montgomery, AL; Oklahoma City, OK; Ogden, UT). The position will primarily support Unix-based operating systems running on multiple versions (e.g., RHEL, Solaris, HP-UX or AIX), within physical, virtual or cloud-based operating environments.
Responsibilities
Will configure, maintain, manage, and troubleshoot Unix-based OS operating environments and associated components such as the Unix file system and Domain Name System (DNS).

 * Configure and sustain operating environments aligning with DISA specifications as related to specific network and storage components and tool suites.
 * Install, configure, administer, and support secure remote access utilities and applications including Secure Shell, Secure Web Access, Virtualization (HyperVisor, VMWare, etc.), Apache Tomcat, Apache HTTP Server, and Remote X server access.
 * Proactively monitor operating environments using Enterprise Systems Management toolsets to identify and correct server performance issues.
 * Manage clustering at the OS level using clustering software (e.g., Solaris Cluster, Linux clustering, etc.).
 * Utilize Unix scripting (Ansible, Bash, Bourne, Korn, Perl, etc.) to optimize and automate system administration tasks.
 * Perform backup and recovery functions for Unix server environments.
 * Implement and sustain LDAP protocol solutions, to include policy management and compliance with hardening guidance in DISA STIGs.
 * Leverage DISA security tools (ACAS, Splunk, HBSS, Trellix, Enterprise Security Posture System (ESPS), etc.) to monitor and mitigate vulnerabilities and ensure compliance with security policies.
 * Manage all assigned tickets (incident, problem, change, service requests, etc.) in accordance with DISA policies and SLAs.
 * Attend meetings, participate in conference calls, and respond to email/ticket requests to ensure support is provided.

Technology used:

Unix-based operating systems (RHEL, Solaris, HP-UX, AIX), Apache Tomcat, Apache HTTP Server, Remote X Server, HyperVisor, VMWare, NetScaler, ACAS, Splunk, HBSS, Trellix, ESPS, Linux Clustering, Solaris Cluster, Ansible, Bash, Bourne, Korn, Perl, PowerShell, backup software, Network Attached Storage (NAS), Storage Area Networks (SANs), ticketing system


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