Middleware Administrator

Hello,

Position Title : Middleware Administrator III (Linux / Unix / Windows / Middleware)

Location : Eagan, MI (Hybrid – 4 days onsite / 1 day remote)

Clearance Requirements :

Ability to pass background check, drug screening, and suitability determination (credit and criminal history review). U.S. citizenship or permanent residency required.

Position Status : Contract

Pay Rate : Market-competitive (based on experience)

Position Description :

We are seeking a highly experienced Middleware Administrator III to support a large-scale enterprise infrastructure environment spanning data centers and cloud platforms. This role is ideal for a senior-level middleware or systems professional who thrives in complex, mission-critical environments and enjoys technical ownership, problem-solving, and mentoring peers.

You will be responsible for administering, monitoring, and optimizing middleware platforms and server environments across Linux, Unix, and Windows systems. The ideal candidate brings deep hands-on experience with application servers, container platforms, cloud services, automation tools, and enterprise monitoring solutions.

This role offers the opportunity to work on one of the largest and most complex computing environments in the U.S., influencing system reliability, application performance, cybersecurity posture, and operational excellence.

Key Responsibilities :

• Administer, support, and troubleshoot middleware platforms including web servers, application servers, containers, and messaging technologies
• Provide operational support for Linux, Unix, and Windows server environments in enterprise data centers
• Lead incident response and troubleshooting efforts related to middleware, systems, and infrastructure
• Perform system maintenance : patching, upgrades, performance tuning, backup & recovery
• Support container platforms such as Kubernetes, Docker, and OpenShift
• Monitor systems using enterprise observability tools (application, log, network, and systems monitoring)
• Deploy and manage application environments in cloud platforms (Azure / GCP preferred)
• Support middleware systems including messaging platforms, load balancing, and API management
• Automate system tasks using scripting and configuration management tools
• Develop capacity planning, disaster recovery, and operational best practices
• Participate in change management workflows using ticketing and incident systems
• Create documentation, troubleshooting guides, and system runbooks
• Mentor junior administrators and collaborate with engineering and application teams
• Maintain system reliability, performance, and security in a 24 / 7 enterprise environment

Required Skills / Education :

Required Experience :

Middleware / Platform Technologies (Primary Focus) :

Experience with several of the following :

Systems Experience :

Education :

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.