Senior Linux Administrator

Annapolis, Maryland

Ark Infotech LLC
Apply for this Job

Title: Senior Red Hat Linux Administrator

Duration: 5 years

Work Location: Hybrid. 2 days remote and 3 days onsite at 189 Harry S Truman Parkway,

Annapolis, MD 21401. Candidate should attend in-person interview.


Qualifications:


• Bachelor's degree, or postgraduate degree, in engineering, computer science, or related field (as determined by the AOC).


• Red Hat Certified Systems Administrator. (1) Certification must be issued by Red Hat and

include the resource's valid certification number.


• Ten (10) or more years of experience as a Red Hat system administrator.


• Ten (10) or more years of experience administering Unix (AIX) IBM pSeries systems.


• Fifteen (15) or more years of experience in the Information Technology (IT) field

Skills, Experience and Capabilities:

Experience with:

(1) Working in a complex networked system environment with strong networking.

(2) Administering Unix (AIX) IBM pSeries systems.

(3) Administering systems including, but not limited to, the applications below:


• Oracle WebLogic Servers


• Oracle Database Servers


• Progress 4GL/Database Servers/OpenEdge


• Apache Web Servers


• vSphere hosted RHEL Servers.


• Rubrik backup systems.


• Oracle Database backups.


• PeopleSoft


• Mobius


• Elastic Search


• Oracle OBI


• CVS (Concurrent Version System)

(4) Red Hat performance tuning

(5) Load balancing, partitioning, back-up/recovery, and disaster recovery.

(6) Working in an environment that requires 24/7 system availability.

(7) Application development.

(8) Red Hat Support.

(9) Electronic Imaging Support.

Ability to:

(1) Work in a team environment.

(2) Communicate effectively with internal and external personnel.

(3) Demonstrate leadership skills.

(4) Interface with users and helpdesk for day-to-day support.

(5) Provide Backup/recovery and networking methodologies.

(6) Troubleshoot at the Operating System (OS), database, and application levels.

Knowledge of:

(1) Red Hat administration including configuration and tuning.

Roles and Responsibilities:


• Installing, configuring, and maintaining Red Hat Enterprise Linux (RHEL) servers across

development, testing, and production environments.


• Performing system upgrades, patch management, and security hardening to ensure compliance with industry standards.


• Monitoring system performance and troubleshooting issues to minimize downtime and optimize efficiency.


• Implementing automation scripts using Ansible, Bash, or Python to streamline system

administration tasks.


• Configuring and maintaining Red Hat Satellite, Identity Management (IdM), and other Red Hat Enterprise Linux (RHEL) ecosystem tools.


• Collaborating with security teams to ensure systems are protected against vulnerabilities and comply with security policies.


• Maintaining and optimizing storage, backup, and disaster recovery solutions.


• Supporting application teams by providing guidance on best practices for Linux-based

deployments.


• Maintaining documentation for system configurations, procedures, and troubleshooting guides.


• Participating in on-call support and incident resolution activities as required.


• Setup Network File Server (NFS) and mount points.


• Configuring Chron jobs for both systems and applications.

Date Posted: 02 May 2025
Apply for this Job