System Administrator

Description:

Maintains operation of multi-user computer systems, including coordination of infrastructure and cloud responsibilities. Develops and designs core operating system builds. Responsible for coding, virtualization, and automation of systems. Sets up administrator and service accounts, maintains an active directory of users and system documentation, tunes system performance, installs system-wide software, and allocates mass storage space. Assesses and resolves user access problems related to security controls to minimize business impact and risk exposure. Identifies and evaluates vendor products and establishes vendor monitoring and tracking processes. Performs capacity planning and monitors/tunes systems. Recommends appropriate platforms for purchase, coordinates installation, and provides backup recovery. Serves as a point of escalation for major incidents that are unresolved at the helpdesk level. Develops and monitors policies and standards for allocation related to the use of computing resources. May draft general IT communications to end-users including notifications of outages/downtimes.

Background/Need

The Group is in need of a talented Senior Linux Systems Administrator to support a mid-sized RedHat Linux environment with enterprise level requirements. Qualified candidates should be experienced in current Linux environments and have a strong understanding of system/network architecture and design. This role is responsible for performing systems administration on Red Hat 8/9 servers, Red Hat Identity Management (IdM), and Red Hat Ansible Automation. The ideal candidate will also demonstrate experience in server performance optimization, cyber security, OS and application patching, McAfee suite, scripting, storage, and disaster recovery.

Other information relevant to the job requirement?

Must Have:

Strong knowledge of Red Hat 8/9 Linux
- Experience in setting up and deploying network services (e.g. GitLab/GitHub, Apache Web Server, NFS server)
- Centralized account management (experience with Red Hat Identity Management or Free IPA server is a plus)
- Possess or have the ability to obtain security relevant certifications (e.g. Security+ and Linux+ or equivalent)
- Applied understanding of system hardening (experience with DoD system hardening guidelines is preferred but not required).

Knowledge/experience with one or more of the following a plus:
- Knowledge of Virtualization Technologies such as VMware or RedHat Virtualization
- Network support including SSH server implementation, Linux networking configuration, NFS, Host Based Firewall, Web Servers
- PKI, Multi-Factor Authentication, and PIV Technologies
- Linux kernel, system tuning and performance analysis
- Remote KVM experience
- BS in Computer Science or related field and 5 years experience or MS Computer Science or related field and 2 years experience

Clearance: Candidates must have an active secret clearance to be considered for this position.
Work Location: Candidates should expect to be onsite 5 days a week. There may be flexibility for up to 1 day work from home but will be dependent on program requirements. Final schedule to be determined by hiring manager.
Travel: CONUS travel may be once a quarter for a week (Hawaii & Alaska included)
Interview process: 1st round interview will be Zoom with hiring manager & SME. 2nd round interview will be Zoom with additional team members as needed.