Senior Systems Administrator

Your Job

Join Flint Hills Resources as a Senior Systems Administrator, responsible for the full lifecycle of IT infrastructure that supports critical systems. In this dynamic role, you will manage a diverse technology landscape spanning on-premises data centers, cloud platforms, and hybrid environments. You will take ownership of key applications and services within our IT environment, driving their deployment, configuration, monitoring, and ongoing optimization to ensure uninterrupted, secure, and high-performance operation in a 24x7x365 mission-critical setting.

This role will work a hybrid schedule and can be based in our Wichita, KS headquarters or our Rosemount, MN refinery.

Our Team

Flint Hills Resources offers a rare environment where you'll work across the full technology spectrum. You will partner with plant operations, cybersecurity, and IT engineering to support and modernize a broad technology stack-from legacy on premises systems to cloud native services, containerization, virtualization, and enterprise storage-balancing uptime and safety with innovation. You'll advance our zero trust approach, drive infrastructure modernization for compliance and observability, and help shape the technology roadmap that strengthens Flint Hills Resources' long term resilience.

What You Will Do

• Infrastructure Troubleshooting: Lead troubleshooting and resolution of complex technical issues across Windows/Linux servers, storage, virtualization, and cloud components
• Performance Monitoring & Capacity Planning: Monitor and optimize system performance with tools like PRTG and Tanium; establish baselines and perform capacity planning for growth and resilience
• Incident Response & Uptime Protection: Manage incident response processes to protect system availability and integrity
• Documentation & Compliance: Maintain detailed documentation of system/network configurations, processes, and architecture to ensure transparency and compliance
• Enterprise Storage Management: Support and maintain enterprise storage systems (e.g., Nimble Storage arrays) to ensure efficient, secure data accessibility
• Identity & Access Management (Active Directory): Manage Active Directory for user/group administration, authentication, and access control to support secure operations
• Cloud Infrastructure Management (AWS): Oversee AWS-based infrastructure to extend and integrate cloud resources with on-premises systems
• Containerization & Orchestration (Kubernetes): Deploy and manage containerized applications with Kubernetes to improve scalability and reliability
• Cross-functional Collaboration & Support: Work with cross-functional teams, vendors, and customers to provide on-site and remote infrastructure support
• Strategic Multi-Disciplinary Projects: Participate in strategic projects that span technologies, business units, and stakeholders

Who You Are (Basic Qualifications)

• 5 years of experience in a system administrator or system engineer role
• Background with virtualization (prefer VMware and Hyper-V)
• Experience managing and deploying storage infrastructure (Nimble, Pure, etc.)
• Windows Server experience
• Automation skills, scripting, use of AI (PowerShell, Ansible, etc.)
• Willing and able to be on-call as part of a rotation and respond promptly to emergencies
• Ability to travel up to 25% to support remote sites and project needs
• This role is not eligible for visa sponsorship

What Will Put You Ahead

• Cloud infrastructure management experience (prefer AWS)
• Experience with monitoring platform tools (Tanium, SolarWinds, PRTG, etc.)
• Linux experience
• Experience with containerization (Kubernetes, docker)
• Experience with Active Directory management
• Experience with process control, DMZ environments, or critical infrastructure

For this role, we anticipate paying $105,000- $120,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.

Who We Are

As a Koch company, Flint Hills Resources is an industry-leading refining company making the oil and transportation products that keep the world moving. We make a large supply of fuel for gas stations and airports in addition to transporting crude oil, natural gas liquids and refined products through 4,000 miles of pipeline - delivering energy to farmers, manufacturers and families. Our team champions innovation and excellence to help power modern life.

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

Our Benefits

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.

Equal Opportunities

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information. (For Illinois E-Verify information click here, aqui, or tu).

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