Senior System Computer Systems Administrator P3

02-Sep-2025

Information Technology

10322BR

Who We Are

As the Savannah River Site's management and operations contractor since 2008, Savannah River Nuclear Solutions (SRNS) makes the world safer. With safety and security in the forefront, SRNS develops innovative approaches to deliver on our environmental commitments and nuclear materials challenges; supplies products and services necessary to maintain the nation's nuclear deterrent; secures nuclear materials to prevent unwanted proliferation; and transforms nuclear materials into assets and stable wasteforms. The SRNS workforce is highly capable, engaged, and adaptable to meet existing and expanding missions. SRNS employees apply superior expertise and innovative solutions to complex and challenging national and global issues. We have the knowledge to address a range of national and international nuclear issues. We make the world safer - and you can, too.

Job Family

Information & Operations Tech

Discipline

Computer Systems Administration

Career Level

P3

Salary Range

$85,700 - $120,000

Note for Salary

This is the range within which SRNS expects the majority of qualified candidates would enter this role if offered. Actual offers may be more or less than the amounts shown depending on candidate's qualifications, experience, internal equity, and other factors.

Job Family Description

Information Technology / Operations Technology (IT/OT) professionals sculpt the technological framework of the organization through the creation and management of scalable and secure information systems. Charged with the development and deployment of solutions, they analyze short- and long-term requirements to enhance system functionality and efficiency. They design and refine software applications, ensuring integration with existing architectural paradigms while also developing network systems and infrastructure to support business needs. IT/OT personnel manage the organization's IT/OT landscape, guaranteeing the reliable operation of servers, databases, and other components of the technology ecosystem. By maintaining a secure and robust IT/OT infrastructure, they uphold the integrity and confidentiality of data while facilitating connectivity and accessibility. Information Technology / Operations Technology personnel continually adapt to technological advancements, ensuring the organization stays at the forefront of emerging IT/OT trends and is well-equipped to meet future challenges while maintaining secure and stable operations.

Discipline Description

Computer Systems Administrators design, develop, implement, and oversee information technology (IT), including hardware, software, and networks. They implement short- and long-term IT solutions that meet the needs of the organization. They install, configure, administer, upgrade, and maintain security for IT hardware, software, and network infrastructure.

Some Typical Duties & Responsibilities Include:

A Senior Computer Systems Administrator's duties include managing and maintaining Windows and Linux servers, ensuring optimal performance and security; administer and support virtualization technologies such as VMware; implementing cybersecurity frameworks and performing regular vulnerability assessments; develop scripts in PowerShell, Python, or Bash for automation; configure and manage enterprise firewalls, and lead IT projects, including planning and resource allocation. Communicate effectively with stakeholders and provide mentorship to junior team members. They also perform upgrades, implement disaster recovery plans, and document system processes for efficient operations.

Required Qualifications

* Bachelor's degree in Computer Science, Information Technology, Engineering, or related technical field.
* Equivalencies to experience and education requirements will be considered
* 5+ years experience in IT Systems Engineering, IT System Administration, or related roles.
* Must be able to obtain and maintain a security clearance.
* Strong experience with virtualization technologies (VMware, Hyper-V or KVM).
* Advances knowledge of Windows and Linux server administration.

We'd Also Like to See

* Experience with Containerization and Orchestration technologies (Docker, Podman, K8S, OpenShift)
* Strong networking fundamentals (TCP/IP, DNS, VLAN, DHCP, SDN)
* Scripting abilities with PowerShell, Python, Bash, or similar.
* Experience with enterprise firewall configuration and management (Cisco ASA, Palo Alto, pfSense or similar).
* Knowledge of firewall ACLs, NAT policies, and best practices.
* Understanding of Cybersecurity frameworks including NIST 800-53, DISA, CIS, RMF and ATO processes.
* Experience implementing and maintaining security hardening standards and baselines.
* Experience with compliance and vulnerability scanning tools and management processes (Tenable, ACAS, SCAP or similar).
* Experience with project management, including planning, resource allocation, and coordination.
* Experience in a senior role within a team is advantageous.
* Strong communication and interpersonal skills are essential for collaborating with team members, clients, and stakeholders.
* Problem-solving abilities to troubleshoot complex technical issues efficiently.
* Industry Certifications such as Security+, CISSP, MSCE, VCP, RHSA are a plus.
* Attention to detail and ability to work under pressure, particularly during live events or critical situations.
* Ability to work independently and as a team on projects and tasks to support site mission.
* Leadership qualities to mentor junior staff members and provide guidance on projects.
* Adaptability to keep pace with evolving technologies and industry trends.

Career Band

Professional

Career Band Description

* Roles in this band apply the knowledge in area of expertise to analyze information; design and develop new approaches, methodologies and processes; and, provide professional advice and guidance to others in accordance with professional quality standards
* Applies a theoretical knowledge-base to work to achieve goals through own work
* Characterized by specific functional expertise typically gained through formal education
* May provide guidance to others as a project manager using technical expertise

Career Level Description

Requires in-depth conceptual and practical knowledge in own field/discipline, solving complex problems with minimal guidance and oversight.

Security Clearance Information

SRNS is required by DOE to conduct a pre-employment drug & alcohol test and background review that includes checks of personal references, credit, criminal records, and employment history, and education verifications. Positions with SRNS may require applicants to obtain and maintain a DOE L or Q-level security clearance, which requires U.S. citizenship. Factors such as pre-employment background review results, dual citizenship status, and unpaid and/or unfiled taxes may impact your ability to obtain a security clearance. This list of factors is not exhaustive; pre-employment information and security clearance requests are reviewed on a case-by-case basis.

Clearance Required to Perform Job

Q

What We Offer

Savannah River Nuclear Solutions (SRNS) Benefits team is constantly assessing trends in the benefits area to provide the best possible services to our workforce. We ensure high quality outcomes of each service provider by consistent monitoring and oversight for positive results. We also negotiate cost effective premiums that will meet the needs of our evolving workforce. Your SRNS Health & Welfare benefits provide peace of mind and financial protection for you and your family. Some of the Benefits offered to full service employees include:
- Medical, Dental, and Vision insurance options
- Critical Illness and Accident Insurance
- Employer paid life insurance with buy up options
- Employer paid Short Term and Long Term Disability
- 401(k) with Employer Match
- Various wellness programs
- Paid Time Off and Holidays
- Discounts and other supplemental benefits
SRNS employees are critical to the success of SRNS, all while making the world a safer place. The work that we do every day makes a difference.

Standards of Excellence

The SRNS vision states that we will "be the standard of excellence in nuclear materials management by delivering knowledge, innovation and experience." This is underpinned by the recognition that everything we do relies on our employees and how they demonstrate the SRNS Standards of Excellence every day. Built on the foundation of safety and security, each employee is expected to:
Model Excellence by demonstrating the highest standards and values in work and promoting them within the organization and to the customer.
Deliver Results by meeting customer expectations to ensure objectives, goals and deadlines are met while being good stewards of resources.
Energize and Recognize Teams through growing organizational strength and recognizing continued excellence.
Build Relationships by developing relationships with coworkers and customers to foster a respectful workplace.
Shape the Future by creating a diverse, innovative and integrated workforce that fosters mission success and company growth.

Note:

SRNS is an Equal Employment Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability, or protected veteran status. SRNS utilizes the Disabled Veteran Enhancement Opportunities program which is aimed at improving employment opportunities for disabled veterans at the Savannah River Site (SRS). SRNS is also committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process. To request such an accommodation, you may contact us by phone at 803-952-8207, or by e-mail at hrrecruiting@srs.gov.

Job Expires

10-Sep-2025