Senior Red Hat Linux Administrator

Senior Red Hat Linux Administrator

Category: Database Administration

Main location: United States, Maryland, Baltimore

Position ID: J0626-2687

Employment Type: Full Time

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Position Description:

CGI Federal is seeking a Senior Red Hat Linux Administrator to support the Social Security Administration's Division of Internet/Intranet Services (DIS) in Woodlawn, MD. This role provides advanced engineering, operations, and automation support across Red Hat Enterprise Linux (RHEL), multi cloud ACI environments (AWS, Azure, GCP), container platforms (OpenShift, Kubernetes, EKS), and DIS enterprise services including Internet Messaging, DNS, and security driven infrastructure operations. The ideal candidate brings deep expertise in RHEL, automation at scale (Ansible/Tower/AAP, Satellite), cloud infrastructure, container orchestration, and federal security compliance requirements.

This position is located in our Baltimore, MD office with work performed at client site in Woodlawn, MD

Your future duties and responsibilities:

. Administer, harden, and optimize Red Hat Enterprise Linux (RHEL 7/8/9+) systems for DIS operational environments.

. Build and maintain Ansible/Tower/AAP automation for OS configuration, patching, deployments, network/storage tasks, and cloud infrastructure provisioning.

. Operate and support DIS Internet Messaging platforms (Sendmail/Postfix, SMTP Auth, LDAP sync), including YAML/Ansible based server provisioning and Splunk log/report automation.

. Manage UNIX/BIND DNS zones, automate zone maintenance, integrate with AD DNS, and ensure compliance with SSA security and change management processes.

. Support and operate OpenShift, Kubernetes, and Amazon EKS clusters, including deployment of OCI compliant base images, namespace administration, and containerized application support.

. Provide multi cloud ACI operations across AWS, Azure, and GCP-compute, storage, networking, AMIs, IAM, encryption, monitoring, and DR/failover design.

. Implement and support security operations including ATO documentation, POA&M tracking, continuous monitoring, vulnerability scanning, intrusion detection, event logging, and incident response.

. Maintain Red Hat Satellite for patching, inventory, and configuration compliance.

. Support virtualization infrastructure including VMware ESXi, vCenter, Horizon/VCF/Aria, Dell/EMC platforms, SAN administration, and backup/restore technologies.

. Produce and maintain engineering documentation, runbooks, system architecture references, and CAPRS/ServiceNow problem and change records.

. Participate in 24x7 on call rotations, respond to incidents within required SLAs, and support weekend/off hour maintenance windows.

Required qualifications to be successful in this role:

. 7+ years administering RHEL 7/8/9+ including installation, configuration, optimization, security hardening, and backup/recovery.

. 7+ years troubleshooting performance issues (CPU, memory, I/O, networking).

. 5+ years supporting virtualized environments (VMware ESXi/vCenter/VCF/Aria, KVM).

. 5+ years developing automation using Ansible, Ansible Tower/AAP, Bash, Python, or Perl.

. Expertise in Linux command line operations and enterprise level troubleshooting.

. Strong communication and documentation skills.

. 5 years of experience working Virtual Platforms

. 5 years of experience working with Ansible Playbooks

. 3 years of experience with scripting languages for automation tasks and deployments (e.g., Bash Shell and Python)

. Expertise in the Linux command line environment

. Excellent interpersonal and communication skills

. Deep experience with RHEL tools including Ansible, Satellite, CoreOS, OCI image creation, and automation pipelines.

. Hands on experience supporting Kubernetes/OpenShift/EKS clusters.

. Advanced experience supporting AWS/Azure/GCP including compute, networking, IAM, encryption, DR/failover.

. Experience managing Internet Messaging (Sendmail/Postfix, LDAP, SMTP Auth), Splunk, and YAML/Ansible provisioning.

. Experience supporting UNIX/BIND DNS in multi platform environments.

. Strong knowledge of federal security requirements including ATO, POA&M, continuous monitoring, vuln scanning, IDS/IPS, and CAPRS/ServiceNow workflows.

. Experience automating cloud, server, network, and storage operations at enterprise scale.

. Resource is expected to work onsite 5 days a week at our customer location.

Desired qualifications/non essential skills required:

. Experience supporting DIS mission critical systems.

. Experience with CI/CD tooling (Jenkins) and Git/Bitbucket.

. Federal government experience.

. Strong ability to operate independently and document complex processes.

. Experience with SAN technologies, backup/restore tools, and hybrid messaging integrations.

. Ability to collaborate with cross functional technical teams.

. Adept at working independently, but also in a team environment

. Demonstrated experience delivering technology solutions in a fast paced, deadline driven enterprise environment

. Excellent understanding of change management, testing requirements, techniques, and tools to ensure high availability of systems

. Experience developing and maintaining Red Hat Ansible Playbooks

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $79,600.00 $176,300.00.

CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:

. Competitive compensation

. Comprehensive insurance options

. Matching contributions through the 401(k) plan and the share purchase plan

. Paid time off for vacation, holidays, and sick time

. Paid parental leave

. Learning opportunities and tuition assistance

. Wellness and Well being programs

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Skills:

• Ansible

• Kubernetes

• Red Hat

• Unix

• VMware

What you can expect from us:

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Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because...

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.

Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team-one of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

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All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information.