Senior Systems Administrator

Job Description

CSCI Consulting is looking for a Senior Systems Administrator to lead the configuration, sustainment, and performance optimization of enterprise-scale development and production environments. This role is central to ensuring system availability, security compliance, and operational continuity for mission-critical systems. The ideal candidate brings deep technical expertise in Linux-based environments, Oracle infrastructure, and Agile delivery frameworks, along with a leadership mindset and a proactive, solutions-oriented approach.

Responsibilities

Lead the administration of Red Hat Enterprise Linux systems and Oracle-based infrastructure, including Exadata and ZFS storage.

Perform system patching, backup / recovery, and performance tuning to maintain high availability and security.

Monitor system logs, metrics, and AI / ML-assisted tools to identify performance trends and prevent downtime.

Support Agile sustainment workflows, including Kanban boards and sprint planning within SAFe frameworks.

Coordinate with cybersecurity, DevSecOps, engineering, and hosting teams to resolve complex technical issues.

Manage infrastructure documentation, SOPs, and configuration baselines in compliance with DoD RMF and STIG standards.

Support disaster recovery (DR), continuity of operations (COOP), and system obsolescence planning.

Guide and mentor junior team members while ensuring technical quality and consistency across operations.

Contribute to automation initiatives using tools like Ansible, Terraform, Docker, and Kubernetes.

Support integration of Oracle EBS, WebLogic, and SOA Suite within hybrid or cloud-based environments (e.g., OCI, AWS GovCloud).

Minimum Requirements

Bachelor's degree in Computer Science, Information Systems, or a related technical field.

7-10 years of experience in enterprise systems administration, including Linux-based environments and Oracle infrastructure.

Active IAT / IAM Level II certification (e.g., Security+ CE, CySA+, CCNA Security).

Hands-on experience with Red Hat Linux, Oracle Exadata, ZFS, and middleware technologies.

Strong understanding of patch management, backup / recovery, performance tuning, and infrastructure troubleshooting.

Knowledge of DoD STIGs, RMF compliance, and cybersecurity best practices.

Proven leadership experience managing technical teams and delivering results in complex environments.

Preferred Skills

Experience with Oracle E-Business Suite and middleware technologies such as WebLogic and SOA Suite.

Familiarity with Agile SAFe frameworks and participation in PI planning events.

Proficiency with infrastructure-as-code (IaC) tools (e.g., Ansible, Terraform).

Experience with container platforms (e.g., Docker, Kubernetes).

Background supporting hybrid cloud or cloud migration projects (OCI, AWS GovCloud).

Exposure to predictive analytics and AI / ML tools for performance monitoring and system health.

About CSCI

CSCI is an award-winning information technology and financial management consulting firm founded on one simple philosophy : "Do what is right, always." We apply this philosophy across all elements of our growing business, from delivering world-class s ervices for customers to providing an environment where associates thrive both personally and professionally. At CSCI, work and fun aren't diametrically opposed!

At CSCI, our goal is to hire people with proven track records and retain them with an energizing, diverse company culture. We value each associate's natural drive to excel, and we provide them with the freedom to do things their way. CSCI seeks the best and brightest in the industry-those who are ready to move their lives and career forward. Join us today and get excited about Mondays again!

Benefits of Working at CSCI

Legal

CSCI complies with all applicable Federal, state, and local employment regulations. Please reach out to HR@csciconsulting.com with any questions.

Equal Employment Opportunity

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. CSCI provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.

If you require an accommodation, please contact CSCI Human Resources for further assistance. For questions regarding the qualifications listed above, please contact the CSCI Recruiting Team.

E-Verify

CSCI participates in E-Verify to confirm the employment eligibility of all newly hired employees. For more information, please visit www.dhs.gov / E-Verify .

California Consumer Privacy Act (CCPA) Notice

As part of the application and recruitment process, CSCI Consulting, Inc. may collect personal information as described under the California Consumer Privacy Act (CCPA).

This information is collected solely for employment-related purposes, including evaluating your qualifications, processing your application, and complying with legal obligations.

By applying to this position, you acknowledge that you have read and understand the following notice regarding the collection of your personal information as a job applicant :

For further information, or to exercise your rights under the CCPA, please contact CSCI's HR team.

Disclaimer

The above declarations are not intended to be an all-inclusive list of the duties and responsibilities of the job described, nor are they intended to be such a listing of the skills and abilities required to do the job. Rather, they are intended only to describe the general nature of the job.