Job ID: NS37943613 Location: Omaha, NE Category: Information Technology Employment Type: Permanent Date Added: 06/17/2025 Apply now Back to Search Thank you for applying. Someone will be contacting you shortly.   Uploading Data... Creating Application... Finishing up... Apply Now

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Sr. Systems Administrator | $105,000 – $156,000 per year | Direct Hire 100% Onsite What Matters Most Competitive Salary of $105,000 – $156,000 per yearLocation: Omaha, NebraskaDirect Hire opportunity with career growth and stability100% Onsite schedule  Job Description Seeking an experienced Sr. Systems Administrator to join a respected and established organization based in Omaha, Nebraska. The role offers the opportunity to work on impactful projects in a supportive and dynamic work environment.  We are seeking an experienced Mainframe Systems Engineer to join our IT infrastructure team. In this role, you will be responsible for monitoring and optimizing the performance of mainframe systems to ensure efficiency, reliability, and availability. You will help develop and implement strategies to resolve system issues, participate in the evaluation, testing, and deployment of new mainframe hardware and software, and create detailed implementation and testing plans. This position also involves troubleshooting technical problems, providing expert-level support to internal teams, and contributing to the training and mentorship of junior staff by sharing your knowledge of system operations, hardware architecture, and programming concepts. The ideal candidate will have a strong background in enterprise mainframe environments (IBM z/OS preferred), with solid skills in performance tuning, system installation, and problem resolution, along with excellent communication and collaboration abilities. Responsibilities:Work with RACF (Resource Access Control Facility) in a systems administration role, including managing security configurations, access controls, and permissions in mainframe environments. Monitor and evaluate mainframe operating systems and resource performance, using system utilization metrics (CPU, response times, job execution, etc.) to identify and resolve inefficiencies.Recommend and implement system adjustments based on analysis to eliminate performance issues and ensure reliable system operations.Participate in the evaluation, testing, and deployment of new mainframe hardware and software, creating detailed implementation and testing plans.Investigate and resolve mainframe-related incidents by analyzing system errors, identifying root causes, and implementing corrective actions to prevent recurrence.Provide expert-level technical support to internal teams and users, ensuring timely resolution of issues and minimizing operational disruptions.Coordinate with vendors and service providers to manage system upgrades, replacements, and ensure availability of mainframe components.Stay current with emerging mainframe technologies by reviewing technical resources, attending industry events, and testing potential enhancements for adoption.Assist with mentoring and training technical staff on mainframe systems, programming concepts, and standard operating procedures.Qualifications and Requirements:Bachelor’s degree in Computer Science, Information Technology, or related field — or equivalent professional experience in software development and systems engineering.4–5 years of experience in application development combined with 3–4 years in software engineering or systems programming.Required: Proven experience working with RACF (Resource Access Control Facility) in a systems administration role, including managing security configurations, access controls, and permissions in mainframe environments. Expertise in mainframe environments, including operating systems and subsystems such as z/OS, CICS, and DB2, as well as familiarity with mainframe communication protocols like VTAM and TCP/IP.Proficient in advanced programming techniques for problem-solving, application development, and debugging.Strong understanding of operating system components and programming languages for diagnosing and resolving system errors.Ability to interpret technical documentation from software vendors and assess updates, patches, or enhancements for integration into existing systems.Eagerness to continually develop technical skills and learn emerging technologies as part of ongoing project work.Experience leading teams through the successful implementation of mainframe system upgrades or changes.Benefits and Perks: Competitive salary: $105,000 – $156,000 annuallyHealth, Vision, and Dental Insurance401(k) planPTOOutstanding benefits package Your New Organization:Our client is a leader in their industry, headquartered in Omaha, Nebraska, and offers a collaborative work environment that values innovation and growth. They are committed to providing their employees with opportunities to excel professionally while maintaining a supportive workplace culture. Your Career Partner:The Reserves Network, a veteran-founded and family-owned company, specializes in connecting exceptional talent with rewarding opportunities. With extensive industry experience, we are dedicated to helping you achieve your professional goals and shine in your field. The Reserves Network values diversity and encourages applicants from all backgrounds to apply. As an equal-opportunity employer, we foster an environment of respect, integrity, and trust in every aspect of employment. The base salary range for this position is $105,000 – $156,000, excluding benefits, bonuses, or other compensation. Your final salary will depend on your skills, qualifications, experience, location, and internal pay equity. 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