mainframe it operator jobs in Houston

69 mainframe it operator job listings in United States. Find daily updated positions from leading job boards.

  • Slalom Flex

    6 hours ago


    Houston, Texas, United States Slalom Remote Full-time $55 - $65 Permanent

    Mainframe QA lead Location: Remote, EST hours Employment Type: Project-based contract Start Date: October 15, 2026 through 6/30/2027 About Us Slalom is a purpose-led, global business and technology consulting company. From strategy to implementation, our approach is fiercely human. In six+ countries and 43+ markets, we deeply understand our customers—and...


  • Houston, TX, United States Ensono Full-time

    Senior CICS Mainframe Systems ProgrammerRemote - United StatesJR014026Position SummaryProvide premium software support and services to Ensono mainframe clients as they relate to CICS.Key Areas of Focus for this RoleFulfill customer service orders (CSOs) for mainframe z/OS customers in a timely manner as they pertain to CICS TS and related OEM software...


  • Houston, Texas, United States Peraton Full-time

    Peraton is seeking a Mainframe Service Delivery Manager to oversee 14 IBM mainframes (ADC and SDC) and provide operational leadership for DIR, ensuring reliable service delivery and performance across the enterprise.The role requires strong government mainframe experience, IBM z/OS expertise, and hands-on leadership in production operations, batch...


  • Houston, TX, United States Slalom Full-time

    Who you will work with:As a Senior Principal at Slalom, you will help clients accelerate large scale technology transformation by turning decades-old mainframe code into agile, cloud-native systems. This role blends deep systems understanding of z/OS with modern cloud, DevOps, and AI-assisted engineering practices. You’ll work across multiple domains, from...

  • Technical Manager

    3 days ago


    Houston, TX, United States Peraton Full-time

    Technical Manager (TX DIR) Job Locations US-TX-Home Responsibilities Peraton is seeking for a Technical Manager who will have overall accountability for technology planning, optimization, service evolution, and innovation of Services. The Technical Manager will serve as the single point of accountability for DIR concerning performance and Incident management...


  • Houston, Texas, United States Cb Full-time $60 Contract

    Project:  To support our CATO (Cloud Adoption & Transformation Operations) program.Location: Houston, TX-Hybrid-3 days onsiteSkillsDetailed Write up of your experienceMinimum 15+ years in IT experienceMinimum 6 years in Application Architecture/ModernizationMust Have: Hands-on portfolio assessment & rationalization (6R: rehost, replatform, refactor,...

  • Enbridge

    20 hours ago


    Houston, Texas, United States Tcs Usa Full-time $90,000 - $100,000 Contract

    Engaged in a 2–3-year project to integrate 3 acquired gas utility subsidiaries from Dominion Energy into our IT\OT landscape. Approximately 200 applications are in scope for the integration, and most will be targeted to move to the Enbridge Azure cloud. We require three experts to join our solution architecture team and hit the ground running. This work...

  • RPA Developer

    22 hours ago


    Houston, Texas, United States Arete Technologies Full-time

    Company DescriptionArete Technologies, Inc. offers set of innovative Consulting and Outsourcing services, bridging the gap between requirements and outputs of various dexterous and facile companies worldwide. The thrust of providing global deliverables with focus on providing paramount and unsurpassed services combined with cost saving solutions to the...


  • Houston, Texas, United States Amazon Web Services, Inc. Full-time

    The Amazon Web Services (AWS) Professional Services (ProServe) team is seeking a skilled Senior Delivery Consultant to join the Cloud Platform and Migrations team. In this role, you'll work closely with customers to design, implement, and manage complex cloud infrastructure solutions that meet their technical requirements and business objectives. You'll be a...

  • Machinist

    13 hours ago


    houston, texas, United States Celeros Flow Technology Full-time

    MACHINIST - 2ND SHIFT WE ARE GROWING AGAIN! SEEKING MANUAL MACHINISTS AND CNC MACHINISTS TO JOIN OUR TEAM! Location: Houston, Westplain CampusWork Environment: Monday - Friday onsite - 2nd shift Rate of Pay: $30-$33/hour based on years of experience, plus quarterly bonusWork Schedule/Hours: 2ND SHIFT - Shift Differential $2.50/hour Hours: 1:30pm - 10:00pm...


  • Houston, TX, United States Conexess Group Full-time

    We are looking for a detail-oriented CICS Mainframe Engineer to oversee the installation, maintenance, and support of our IBM mainframe systems, specifically focusing on CICS (Customer Information Control System). This role will ensure that our CICS environments operate efficiently, and you will be responsible for identifying, analyzing, and resolving issues...


  • Houston, Texas, United States Amazon Full-time $153,600 - $207,800 Contract

    The Amazon Web Services (AWS) Professional Services (ProServe) team is seeking a skilled Senior Delivery Consultant to join the Cloud Platform and Migrations team. In this role, you'll work closely with customers to design, implement, and manage complex cloud infrastructure solutions that meet their technical requirements and business objectives. You'll be a...

  • Security Consultant

    21 hours ago


    Houston, Texas, United States eStreet Security Remote Full-time $80,000 - $380,000 Contract

    Security Consultant / IT Audit PartnerIndependent Partner Network | Contract / Project-BasedCompany: Global Access IncorporatedDivision: IT Solutions & Security DivisionLocation: Tokyo, Japan — Remote / Hybrid / On-SiteEngagement Type: Contract / Project-Based B2B PartnershipContract Structure: Business Outsourcing Agreement (業務委託契約)About the...

  • Cyber Risk Analyst

    21 hours ago


    Houston, Texas, United States Abellus Careers Full-time

    HORNE is a professional services firm founded on a cornerstone of public accounting. Our 1,000+ team members serve clients from offices and project locations in 13 states, Washington D.C., Puerto Rico and the U.S. Virgin Islands. HORNE Cyber goes beyond regulatory requirements to truly strengthen a company’s cybersecurity posture.Position...


  • Houston, Texas, United States UT MD Anderson Cancer Center Full-time

    The primary purpose of the Department Administrator position is to serve as the administrator and chief business officer for one or more academic departments. Administers business related activities including faculty recruitment, financial management, personnel management, clinical operations management, clinical research management, clinical practice...


  • Houston, Texas, United States TWU Full-time

    DescriptionTITLEManager, Nursing Simulation LaboratoryJOB SUMMARY The Manager of Nursing Simulation Laboratory is able to set up, operate, maintain, troubleshoot, and in some cases repair simulation equipment, hospital-type equipment used in clinical activities, and troubleshoot basic computer software and hardware, in conjunction with the Office of...


  • Houston, Texas, United States McLane Full-time

    Take your career further with McLane!  The McLane team is the driving force behind our success. A diverse group of professionals, from Sales and IT to Dispatchers and Mechanics, work together seamlessly to keep our operations running smoothly. Their dedication, expertise, and collaborative spirit are essential to achieving our goals and supporting other...


  • Houston, Texas, United States UT MD Anderson Full-time $127,400 - $223,000 Contract

    The primary purpose of the Department Administrator position is to serve as the administrator and chief business officer for one or more academic departments. Administers business related activities including faculty recruitment, financial management, personnel management, clinical operations management, clinical research management, clinical practice...


  • Houston, TX, United States Mainframe Solutions Full-time

    Mainframe Solutions, a Houston civil contractor, seeks a Chief Estimator to lead estimating and preconstruction for complex municipal projects. You will shape bid strategy, evaluate risk, and grow the estimating team while coordinating with executives and operations.The role requires deep knowledge of underground utilities, wastewater infrastructure, and...


  • Houston, TX, TX, United States Sysco Full-time

    **Job Summary** Responsible for building the negotiation fact base and conducting negotiations with suppliers for specified categories as part of the category management process. Responsible for managing ongoing cost base and supplier relationship activities, such as; cost changes, earned income programs and contract cost agreements for all Corporate managed...