Professional - Systems Engineering

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Job Title

Professional - Systems Engineering

Role Summary:
We are seeking a skilled Linux Administrator to manage, maintain, and support enterprise Linux server infrastructure. The role involves operating system administration, patch management, vulnerability remediation, automation, troubleshooting, and ensuring platform stability, security, and compliance across on-premises and cloud environments.

Key Responsibilities

• Administer and support Red Hat Enterprise Linux (RHEL)
• Perform OS vulnerability remediation in accordance with organizational security policies.
• Monitor system performance, availability, and capacity; proactively identify and resolve issues.
• Investigate and resolve Linux operating system incidents and service requests within defined SLAs.
• Support server provisioning, decommissioning, and lifecycle management activities.
• Implement and maintain automation using Shell Scripting, Ansible, and other configuration management tools.
• Manage user accounts, permissions, sudo access, and authentication integrations.
• Support storage, file systems, LVM, NFS, and SAN-related activities.
• Troubleshoot server, application, network, and performance-related issues.
• Participate in major incident response, root cause analysis (RCA), and problem management activities.
• Ensure compliance with security, audit, and regulatory requirements.
• Collaborate with application, database, network, cybersecurity, and infrastructure teams to maintain platform stability.
• Maintain operational documentation, SOPs, and knowledge articles.

Required Skills

• Strong administration experience in Linux operating systems (RHEL preferred).
• Experience with Linux patching, kernel updates, and OS upgrades.
• Knowledge of Shell Scripting (Bash) and automation tools such as Ansible.
• Understanding of system services, processes, networking, and performance tuning.
• Experience with virtualization platforms such as VMware.
• Familiarity with monitoring tools and log analysis.
• Knowledge of security hardening and vulnerability remediation processes.
• Experience supporting enterprise-scale environments.

Preferred Skills

• Red Hat Certified System Administrator (RHCSA) or RHCE certification.
• Experience with cloud platforms (Azure, AWS, GCP).
• Experience with infrastructure automation and self-healing solutions.

Key Competencies

• Strong troubleshooting and analytical skills.
• Incident and problem management expertise.
• Automation mindset and continuous improvement focus.
• Ability to work in a 24x7 support environment when required.
• Strong communication and stakeholder management skills.

Thank you for considering employment with Fiserv.  Please:

• Apply using your legal name
• Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Diversity and Inclusion:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. 

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.