System Admin III
Security Service Federal Credit Union
Job DescriptionDiagnoses and resolves z/Series system problems with a focus on extremely high availability. Coordinates outside support resources (vendors) to resolve vendor specific problems in a time-critical environment. Collaborates with other system administrators, systems Programmers, network, and application teams to perform daily activities ranging in complexity and will be responsible for the installation, configuration, upkeep, and reliable operation of the mainframe environment. Installs, tests, and maintains systems software and hardware including operating systems, compilers, utilities, monitoring tools, and network communications components. Evaluate, analyze, diagnose and resolve operating system and program product related issues. Presents statistical utilization and trend analysis, including recommendations to enterprise developers and management. Works with datacenter resources, helps identify CPU reduction opportunities in applications, sub-systems and work with application and system programmers to implement solutions. Reviews, evaluates and makes recommendations on software and hardware changes. Researches system and application problems involving multiple system components and unknown causes, in a time-critical environment. Performs routine and on-call systems programming support and troubleshooting. Performs problem management and resolution for system problems to help application areas, as needed, in troubleshooting, use of tools, information, etc. Completes any other job related duties needed to help drive to our Vision, fulfill our Purpose, and abide by our Organization’s Values.Job RequirementsBachelor's degree in Management, Computer Information Systems or equivalent education and/or experience. Minimum of eight (8) years of Internet-based infrastructure and technology experience. Minimum of 10 years in information technology experience. Strong knowledge of z/OS operating system architecture, installation using SMPE, internals, and recovery scenarios. Networking fundamentals experience, preferably IBM medium to large system mainframes. Thorough knowledge in z/Series, Transaction system products. Strong experience with mainframe automation and monitoring tools. Knowledge and experience with CICS management and administration. Good interpersonal, analytical, written, and verbal communication skills. Able to read and understand complex technical documents and periodicals. Ability to work in a team environment, meet deadlines, and take on a high level of responsibility and accountability. Strong project organizational skills. Provide seven day a week, twenty-four hour a day support. Availability for periodic travel to work-site locations.Job DetailsJob Type: Full-timeCategory: Information Technology (IT)Salaried: Salaried
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$116.2k - $229.1k
Position Summary Cloud Infrastructure Engineer III - Workplace Engineering/M365 AI & Engineering helps organizations build, deploy, and operate integrated solutions across software, data, AI, networks, and hybrid cloud infrastructure. In this role, you will help...SuggestedLocal area- ...employee onboarding and termination processes as it relates to technology ensuring new users are set up with required access to Mainframe systems/subsystems, and terminated users no longer have access to Mainframe systems/subsystems. Ability to troubleshoot, and resolve issues...SuggestedWork at office
- ...commitment to excellence drives us to develop and maintain cutting-edge systems and capabilities in direct support of the warfighter.... ...personnel, developers, IA personnel, and accreditors Provide Tier II/III technical support for user issues and system troubleshooting...Suggested
$88.4k - $119.6k
Join to apply for the Mid-Level Systems Administrator role at Boeing Join to apply for the Mid-Level Systems Administrator role at Boeing... ..., TX $142,000.00-$150,000.00 1 month ago System Administrator III (Microsoft Windows Server) TX System Administrator II (Microsoft...Permanent employmentFull timeInterim roleRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift workDay shift$90k - $105k
...Friday, 4 hours. Position Summary: The Mechanical Engineer III is responsible for leading a multidisciplinary team mechanical... ...full lifecycle of product development management. # Design systems and components that meet the needs and requirements of the customer...Full time$101.36k - $109.67k
...this Position What You’ll ExperienceManage and optimize Oracle databases for smooth and secure operation.Administer Red Hat Linux systems and troubleshoot database and system issues.Perform daily backups, monitor server health, and apply security measures.Document...Flexible hours$115k - $135k
...responsible for theadministration, sustainment, security, automation, and optimization of enterprise Red Hat Enterprise Linux (RHEL) systems supporting the616th Operations Center (616 OC). This position is located in San Antonio, TX and is onsite.ResponsibilitiesThis is a...Local area- ...unparalleled banking services.Who you are:As aQuality Automation Engineer III, you are our quality control, ensuring every application is... ...of applications to ensure the quality and stability in every system. You’ll use your strong problem-solving skills to ensure that...Full time
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$105k - $120k
...Systems Engineer III Location: Lackland AFB - San Antonio, TX Division: Cryptologic and Cyber Systems Division (AFLCMC/HNC) Responsibilities: Conduct reviews on program portfolio to evaluate and/or recommend alternative plans, improve systems engineering programs...Work at office- ...often delighted by our tendency to go above and beyond the SLAs, as their testimonials would attest. Job Description Position: Linux Systems Administrator Terms: Permanent Location: San Antonio, TX Remote options: No Top Skills: Windows Server 2008 / 2012 System...Permanent employmentRemote work
$132.93k - $143.84k
...Linux Integration and Test Engineer at General Dynamics Mission SystemsPosition Overview:Join our team to help create mission-critical systems that keep people safe. As a Linux Integration and Test Engineer, you'll play a crucial role in configuring, troubleshooting, and...Flexible hours- Title(s): Network Administrator II and III Duration: 6-month contract to hire Start Date: ASAP Requirements: Active secret clearance... ...individuals will be working on a military base doing all network and system support for all of the Air Force. The day to day is as follows:...Contract workImmediate start
- ...OVERVIEW The IT Admin Support Specialist provides front-line technical and administrative support across the Credit Union. This position... ...follow-through, the IT Admin Support Specialist helps keep systems, operations, and employees running smoothly. KEY AREAS OF...Full timeWork at office
- ...Antonio, United States | Posted on 01/29/2026 In this role, you will work with other members to mitigate vulnerabilities on Linux-based systems, implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities. Other standard Linux administration duties will be included...
$108.2k - $162.4k
...Principal Or Sr. Principal Cybersecurity Systems Engineer (CSSE) At Northrop Grumman, our employees have incredible opportunities to... ...NIST SP 800-160 process'. DoDI 8570 certification for IASAE III (ISSEP, ISSAP) Experience with Agile methodologies Active...Shift work- ...Customer Service Representative III The Customer Service Representative III is responsible for creating a positive customer experience... ..., misapplied, or missing payments across ERP and supporting systems. Investigate and correct accounting-related issues impacting...Work at office
- ...solutions from the ground up? If so, being a Software Engineer III at Frost could be the job for you.At Frost, it’s about more than... ...provide next level experiences to every individual that uses our systems.What You'll Do:Design, write, test, implement, support, and document...Full time
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- ...does not manage server infrastructure or network administration; those responsibilities fall within the Sr. IT Administrator and Sr. Systems & Network Administrator roles. This role provides the essential front-line IT support that keeps Bakerly’s employees productive,...Full timeTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours
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- Corporate Card And Travel Program Support This position is responsible for supporting the corporate card and travel programs to include issuance of new corporate cards, maintenance of existing cards and obtaining all necessary approvals and supporting documentation....
- ...Common Sense, make working here more than a job, it’s the Digital family. Digital Consultants is seeking an MECM (formerly SCCM) System Administrator to support software deployment, patch management, operating system deployment, and inventory and reporting for US...
$125k - $140k
...Title: Senior ERP and NetSuite System Administrator Employment Status: Full Time Location: San Antonio, TX Schedule: Hybrid, 4 days per week onsite with 1 remote day Base Salary Range: $125,000 – $140,000 Position Overview Seeking a Senior ERP and...Full timeTemporary workWork at officeRemote work
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