Sr. Linux Administrator - Military veterans preferred



  full-time   employee

United States


SAIC is seeking a Sr. Linux Systems Administrator (SA).  The Senior SA will be part of a 3-4 member staff of senior administrators.  The SA will be responsible for managing a large inventory of Red Hat Linux servers, VMware ESXi blade servers, HP storage, and AWS Cloud technologies.

The primary functions of the candidate will include, but are not limited to:

- Configuring, maintaining, monitoring, diagnosing, and troubleshooting of Linux Operating Systems (RHEL 7/8) with basic knowledge of Windows Operating Systems.

- Security hardening of Linux in a standalone environment based on DISA STIGs and Tenable Nessus scan results.

- Install & maintain various Linux applications such as Apache Tomcat, Kerberos, LDAP, Red Hat Satellite, Centrify, Java.

- Providing O&M for virtualized environments (VMware vCenter 7, to include ESXi and distributed switches).

- Provisioning hardware, storage, resources and configuration/administration, including high-availability and failover services.

- Providing configuration management to include authoring technical documentation, process changes, and inventory control. 

- Research and obtain quotes for hardware/software based on customer requirements.

- Provide superior customer service; possess strong communication (verbal and written) and interpersonal skills in a dynamic customer centric environment.



•Must possess current TS/SCI with Polygraph.

•Must be DoD 8570 IAT Level II compliant (have current CompTIA, Security+ certification)

•Bachelor’s Degree in related field and 9+ years of experience; relevant experience may be substituted in lieu of degree.

•Experience managing Yum repos and patching for networked deployments of Linux systems.

•Proficiency with automation tools and scripting to include bash, Python (experience with other tools such as Salt or Chef is also sufficient).

•Thorough understanding and workings of Linux services including authentication services, web services, NFS, NTP, SMTP, SSH, DNS, clustering, and logging.

•Familiarity with virtualized hosting such as VMWare and Cloud Providers (Azure or AWS).

•Experience implementing and maintaining systems governed under Risk Management Framework (RMF) and NIST 800-53 implementations in secure environments.

Desired Qualifications:

•Cloud computing (AWS preferred) with an emphasis on storage (S3) and EC2 system provisioning

•MS Windows Server 2019/2016/2012 (focus on Active Directory, Group Policy) 

•Storage engineer/administrator (3PAR, NetApp, etc.)

•Knowledge of network switches and routing protocols

•Experience with Windows applications such as WSUS, Exchange, SharePoint, SCCM, and audit solutions.

•Experience with RAIDs, SANs, High Availability, Backups and Disaster Recovery.

Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site.