Multi-Function Information Systems Senior Engineer

Date: Apr 2, 2026

Location: Oak Ridge, TN, US, 37830

Company: Oak Ridge National Laboratory

Requisition Id 16188 

Active DOE Q, active DOD Top Secret, or active DOD TS/SCI clearance is required for consideration.

 

Overview:  

We are seeking a Multi-Function Information Systems Senior Engineer who will be responsible for the end-to-end design, development, integration, deployment, and sustainment of complex systems that include both software and hardware/infrastructure components. You will interface across multiple layers—from user-facing applications, system infrastructure and networking. You will apply systems engineering principles throughout the lifecycle (requirements, architecture, integration, verification & validation, sustainment). This position resides in the Support Services & Isolated Environments group in the Research Computing division of the Information Technology Services Directorate at Oak Ridge National Laboratory (ORNL).

 

This team supports the ORNL’s goals through robust systems engineering, integration, and support tailored specifically for our NSS research community. We manage a variety of critical infrastructures including mid-range clusters, servers, workstations, and other pivotal services.

 

Major Duties/Responsibilities:

  • Systems Administration:
    • Manage, configure, and maintain Windows server environments.
    • Monitor and optimize system performance, ensuring uptime and reliability.
    • Perform regular system updates, patches, and backups.
    • STIG checking and systems compliance.
  • Virtualization & Storage:
    • Implement and support Citrix virtualized environments.
    • Manage storage solutions relevant to Windows environments, ensuring data integrity and availability.
  • Security & Compliance:
    • Implement and maintain security best practices.
    • Ensure compliance with organizational policies and standards.
  • Customer Service & Support:
    • Provide advanced support and troubleshooting.
    • Collaborate with stakeholders to resolve technical issues and provide recommendations for system improvements.
    • Deliver high-quality customer service, both internally and externally.
  • Project Management & Documentation:
    • Create and maintain comprehensive documentation for all system configurations, processes, and procedures.
    • Prioritize and manage multiple tasks and projects efficiently.
    • Update and maintain all documentation as required
    • Other duties as assigned or required
  • Deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service. Promote equal opportunity by fostering a respectful workplace – in how we treat one another, work together, and measure success.

 

Basic Qualifications:

  • A BS in information technology, information systems, computer science, computer engineering, business, science, or a related field of study and a minimum of eight to twelve years of Windows systems engineering and administration experience is required for consideration. An overall combination of equivalent education and experience may be considered.
  • Active DOE Q, active DOD Top Secret, or active DOD TS/SCI clearance is required for consideration.
  • Proven expertise in managing Windows server environments, including Active Directory, DNS, and other core services.
  • Strong knowledge of virtualization technology.
  • Experience support Operational Technology (OT) environments

 

Preferred Qualifications:

  • Experience working at a DOE facility
  • Familiarity with NSS federal computer systems and compliance standards is a plus.
  • Experience with scripting and automation (e.g., PowerShell).
  • Experience with STIG hardening
  • Knowledge of networking design and support
  • Experience in SANs: preferred experience NetApp is desired.
  • Experience with building and managing Citrix and VMware virtualization platforms.
  • Excellent time management, problem-solving, and customer service skills

 

Special Requirements:

  • Visa sponsorship is not available for this position.
  • This position requires the ability to obtain and maintain a clearance from the Department of Energy. As such, this position is a Workplace Substance Abuse (WSAP) testing designated position. WSAP positions require passing a pre-placement drug test and participation in an ongoing random drug testing program.

 

For employment at Oak Ridge National Laboratory (ORNL), a Real ID compliant form of identification will be required.  Additionally, ORNL is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as mandated by Homeland Security Presidential Directive 12 (HSPD-12) and Department of Energy (DOE) Order 473.1A, which requires a favorable post-employment background investigation.

 

To obtain this credential, new employees must successfully complete and pass a Federal Tier 1 background check investigation.  This investigation includes a declaration of illegal drug activities, including use, supply, possession, or manufacture within the last year.  This includes marijuana and cannabis derivatives, which are still considered illegal under federal law, regardless of state laws.

 

About ORNL:

As a U.S. Department of Energy (DOE) Office of Science national laboratory, ORNL has an impressive 80-year legacy of addressing the nation’s most pressing challenges. Our team is made up of over 7,000 dedicated and innovative individuals! Our goal is to create an environment where a variety of perspectives and backgrounds are valued, ensuring ORNL is known as a top choice for employment. These principles are essential for supporting our broader mission to drive scientific breakthroughs and translate them into solutions for energy, environmental, and security challenges facing the nation.

ORNL offers competitive pay and benefits programs to attract and retain individuals who demonstrate exceptional work behaviors. The laboratory provides a range of employee benefits, including medical and retirement plans and flexible work hours, to support the well-being of you and your family. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also available for added convenience.

Other benefits include the following: Prescription Drug Plan, Dental Plan, Vision Plan, 401(k) Retirement Plan, Contributory Pension Plan, Life Insurance, Disability Benefits, Generous Vacation and Holidays, Parental Leave, Legal Insurance with Identity Theft Protection, Employee Assistance Plan, Flexible Spending Accounts, Health Savings Accounts, Wellness Programs, Educational Assistance, Relocation Assistance, and Employee Discounts.

 

If you have difficulty using the online application system or need an accommodation to apply due to a disability, please email: ORNLRecruiting@ornl.gov.

 

 

This position will remain open for a minimum of 5 days after which it will close when a qualified candidate is identified and/or hired.

 

We accept Word (.doc, .docx), Adobe (unsecured .pdf), Rich Text Format (.rtf), and HTML (.htm, .html) up to 5MB in size. Resumes from third party vendors will not be accepted; these resumes will be deleted and the candidates submitted will not be considered for employment.


ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply.  UT-Battelle is an E-Verify employer.


Nearest Major Market: Knoxville