Control System Software Engineer

The Controls Integration Group at the Spallation Neutron Source (SNS) is seeking aControl System Software Engineerwho willfocus on control systemapplications, systemdevelopmentand operations support. This position is part of the Controls Integration Group within theControl Systems Section,Research Accelerator Division of the Neutron Sciences Directorate at Oak Ridge National Laboratory (ORNL).

The groupis responsible formaintainingand improving fully integrated control systems for the SNSAccelerator to ensure safe, high-reliability beam delivery to the target. These systems typicallyutilizePLC, VME, orMicroTCAhardware, integrated using the Experimental Physics and Industrial Control System (EPICS) framework.

This position reports to the Controls Integration Group Leader. The group is currently focused on modernizing the control system environment. Ongoing upgrade projects include replacing legacyequipment with modern solutions, expanding those associatedapplications, and enhancing the control room operator experience using the latest software tools.

The selected candidate will support these modernization efforts by:

• Developing EPICS applications to support embedded and FPGA based systems

• Upgrading existing EPICS applications and user interfaces

• Complete verification, deployment, and system integration of EPICS applications for production use

Major Duties and Responsibilities:

• Support the scientific mission of SNS by developingreliable, maintainablesoftwarefor accelerator and targetcontrol systems as part of a multidisciplinary team.

• Collaborate with group members,scientific staffand operations personnelto design, develop,maintain, and improve EPICS-basedcontrol systems.

• Maintain and supportexistingproductionsoftware, includingperformingtroubleshooting andresolvingbugs.

• Create andmaintainsoftwaredocumentation and accompanyingtraining materials.

• Adhere to Software Quality Assurance procedures, including managing source code in a central repository with version control systems and developing comprehensive software testing procedures.

• Provide operational support, troubleshooting, and system improvements foraccelerator and targetcontrol systems. While typical work hours are office-based, occasional off-hours or weekend support may berequiredto meet user facility needs.

• Ensure compliance with environmental, safety, health, and quality procedures and programs.

• As a member of the ORNL scientific community, commit to ORNL's Research Code of Conduct. The full code of conduct and a statement from the Lab Director's office can be found here:https://www.ornl.gov/content/research-integrity

• 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 degree inengineering, computerscienceor related fieldplus two or more years of relevant experience(arelevant MS degree will be considered with at least one year of experience)

• Demonstrated experience with embedded systems and/or systems programming

• Experience developing applications or systems programming in a Linux environment

• Demonstrated programming experience in modern object-oriented programming languages, preferably C++

• Proficiencywith collaborative software development tools and practices, such as software debugger, version control, issue tracking, documentation

Preferred Qualifications:

• Experience withEPICSor a similar toolkit for developing distributed control systems

• Exposure toadditionalprogramming languages, such as C, Python, Java or similar

• Familiaritywith real-time operating systems and software practices

• Priorexperienceworkingin ascientific userfacility

• Experience with GitLab and CI/CD pipelines

• Hands-on experience with in-field troubleshooting of software and hardware interfaces

Special Requirements:

• Physical Requirements: Work involves some physical requirements and working conditions. As such, a pre-hire physical will berequiredafter offer.

• Visa sponsorship is not available.

Security, Credentialing, and Eligibility Requirements:
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.

For foreign national candidates:
If you have not resided in the U.S. for three consecutive years, you are not eligible for the PIV credential and instead will need to obtain a favorable Local Site Specific Only (LSSO) risk determination to maintain employment. Once you meet the three-year residency requirement, you will be required to obtain a PIV credential to maintain employment.

Benefits at ORNL:

We offer competitive pay and benefits programs to attract andretainhardworking people! The laboratory offers many employee benefits, including medical and retirement plans and flexible work hours, to help you and your family live happy and healthy. Employee amenities such as on-site fitness, banking, and cafeteria facilities are also provided for convenience.

Other benefits includethe 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, and Employee Discounts. Relocation Assistance is available for certain positions.

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