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System Operator

Castroville,TX

1285 System Operator jobs in Castroville,TX

Featured Opportunity
CHRISTUS Health Logo

CHRISTUS Health - San Antonio, TX

Ambulatory Service Representative - PBX Call Center
~ 32 min Onsite
New, Posted 14 hours ago
Systems Application Analyst

CHRISTUS Health

San Antonio, TX 78251

~ 32 min OnsiteUrgently Hiring

May be required to work additional hours as needed during critical problems.
8AM - 5PM Monday-Friday
Full Time
Ability to present complex data in meaningful method, i.e., charts, graphs
Proficient in Microsoft applications including Word, Excel, and PowerPoint
5-7 years of experience within supported healthcare, business, or information systems
Must be proficient in the assigned Epic module or certified upon employment date.
Certifications or Proficiencies must stay current by maintaining new version training.
Associates or Bachelor's degree preferred with a focus in healthcare, business, or information systems.
Supervisory experience preferred
Preferred 2+ years project management experience or equivalent
Associated certifications on area of focus, preferred
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Aviation Electronics, Electrical & Computer Systems Technician

U.S. Navy

La Coste, TX 78039

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Mid-Level Mainframe Infrastructure Engineer – CICS Systems Programmer

USAA

San Antonio, TX 78288

~ 32 min OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

The salary range for this position is: $93,770 - $179,240**.
Employees may be eligible for pay incentives based on overall corporate and individual performance and at the discretion of the USAA Board of Directors.
Comprehensive medical, dental and vision plans, 401(k), pension, life insurance, parental benefits, adoption assistance, paid time off program with paid holidays plus 16 paid volunteer hours, and various wellness programs.
Our career path planning and continuing education assists employees with their professional goals.
The work environment is typically dynamic and may require after-hours or on-call support to maintain the availability of mission-critical applications.
In the office 4 days per week.
Bachelor's degree; OR 4 years of relevant education and/or experience.
4 years of infrastructure experience demonstrating depth of technical understanding to include an understanding of mainframe infrastructure and z/OS.
Proficient level of business acumen in the areas of scripting and programming languages such as JCL, REXX and other mainframe scripting languages.
Proficient level of business acumen in the areas of business operations, risk management, industry practices and emerging trends.
Knowledge and understanding of designing scalable IT system infrastructures, implementing system changes, or automating service delivery and maintenance tasks.
Installation and Maintenance Proficiency: Strong expertise in mainframe product installation, configuration, and maintenance, often including Independent Software Vendor (ISV) installations and upgrades.
SMP/E Proficiency: Experience with SMP/E (System Modification Program/Extended) for installing and maintaining software.
Z/OS Expertise: In-depth knowledge of z/OS operating systems, including configuration, maintenance, and tuning.
Z/OS Subsystems: Understanding of other z/OS subsystems such as DB2, MQ, JES2, z/OS connect, IMS and TCP/IP.
Performance Tuning and Monitoring: Experience with performance tuning and the use of monitoring tools (e.g., RMF, Intellimagic, BMC Mainview).
Familiarity with Assembler, and PL/I is also beneficial.
Security: Experience with security, often using RACF or equivalent tools.
Automation and Scheduling: Familiarity with automation tools, job scheduling, and monitoring tools.
Disaster Recovery: Experience with disaster recovery planning and testing.
Mainframe Hardware: Understanding of mainframe hardware and architecture to optimize system performance.
US military experience gained through military service or gained as a military spouse / domestic partner.
New, Posted 7 hours ago
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Systems Evaluator - (Remote)

Outlier

San Antonio, TX 78228

$15/hr
Remote

Up to USD $15 per hour, paid weekly
Earn up to USD $15 per hour
On average, contributors earn an additional 7.5% through Missions — Outlier's version of surge pricing. The top quartile boosts their earnings by an average of 11%.
Payments are processed weekly on Tuesdays, covering tasks completed during the previous pay period (Tuesday to Monday at midnight UTC), via PayPal, AirTM, or ACH transfer.
Rates vary based on expertise, skills assessment, location, project need, and other factors. For example, higher rates may be offered to PhDs. For non-core work, such as during initial project onboarding or project overtime phases, lower rates apply. Additional incentives data is based on payments made in the past six months and is updated quarterly. Certain projects offer incentive payments. Please review the payment terms for each project.
Free access to leading LLMs, worth $200+/month
Flexible, no minimum hours
Work flexibly from anywhere, anytime, with no minimum hours. Set your own schedule, whether that's five or 40+ hours per week.
Fluent English speaker
A valid ID and mobile phone from your country of residence
An up-to-date resume that highlights your expertise
A LinkedIn profile showing your educational background and work experience
Currently accepting applicants from: Australia, Canada, Ireland, New Zealand, United Kingdom, and United States.
You must be authorized to work in your country of residence.
Pursuing or holding a Bachelor's degree or above
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Senior System Administrator

University Health

San Antonio, TX 78206

~ 32 min Onsite

Bachelor's degree in computer science, data processing, mathematical, clinical or a related field is required. Work experience may be substituted for college requirement.
Six years of programming and system analysis experience is required.
Must be proficient in at least one computer system language and on data management methodology on at least one or more of the computer platforms used at University Health.
Work experience using one or more of each of the following is preferred: Applications: ERP (preferably PeopleSoft, Premier, UKG Dimensions), 3m, Hyland Onbase Document Management, API, Dell Boomi, Report Writing (Tableau, SQL), SharePoint, Adobe Products, MS Office, HIM, TCP/IP, FTP/SFTP (Globalscape) Languages/Development: ASP/ Web development, Business Objects, Visual Basic, SQL, C++, API, PeopleSoft development Databases: Microsoft SQL, Oracle, Cache Operating Systems: Windows, UNIX, Cache

Franchise opportunity, not a traditional job.

Mac Tools Franchise Owner – Financial Qualification Required
Mac Tools Logo

Mac Tools

Castroville, TX

  • Month-long training to run your franchise
  • Your truck, your territory, your customers
  • Must be willing to complete a credit check

Be part of the largest and fastest growing tool company in the world as a Mac Tools franchise owner.

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Electrical Field Service Lead

Stellar Energy

Castroville, TX

Requires TravelHealth InsurancePaid Time OffRetirement Benefit

Medical, dental, and vision insurance (multiple plan options; preventive care covered at 100% in-network)
Health Savings Account (HSA) with company contributions
401(k) with company match (100% match up to 3% + 50% match up to 6%)
Company-paid life insurance and AD&D; coverage
Short-term and long-term disability coverage options
Supplemental benefits including accident, critical illness, and hospital coverage
Wellness programs, including incentives up to $300 annually and a no-cost weight management program
Virtual healthcare options, including $0 virtual visits in many cases
Additional voluntary benefits including legal services and pet insurance
Competitive PTO plan for exempt and non-exempt employees
Full-time
This is a full-time position. Days and hours of work are Monday through Friday, 8:00 a.m. to 5:00 p.m. This position may require overtime and occasional weekend work.
High school diploma or GED.
Journeyman Electrician license or higher (state-recognized).
8+ years of electrical installation experience in industrial or commercial environments.
3+ years of supervisory or lead field experience.
Hands-on experience with electrical startup and commissioning activities.
Working knowledge of NEC, NFPA 70E, OSHA 1910/1926 standards.
Associate degree in technical field or equivalent experience.
7-10 Years' experience in Heavy Industrial Environment as Superintendent or Lead Foreman.
Intermediate to Advanced proficiency in Microsoft Excel, Word, Power Point, Outlook, ACC,BIMS 360, Procore, cloud project management platforms, field daily reports, safety reports
Ability to obtain OSHA 30 Hour Certification and site relevant safety training
Ability to obtain NFPA70E and Arc Flash Certifications.
Must be authorized to work in the USA.
The employee must frequently lift or move objects up to 10 pounds and occasionally lift or move objects up to 25 pounds.
Specific vision abilities required by this job include close vision, distance vision, color vision and the ability to adjust focus.
Associate's degree or technical diploma in Electrical Technology, Industrial Automation, or related field or completion of accredited apprenticeship (4 year minimum).
Master Electrician license.
Experience working with modular energy systems, utility plants, or packaged mechanical systems.
Familiarity with PLC programming (e.g., Allen-Bradley, Siemens) and SCADA systems.
OSHA 30 and NFPA 70E certifications.
Experience in commissioning smart building or IIoT-connected systems.
Familiarity with Medium Voltage Systems (greater than 1000V)
New, Posted 1 day ago
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Security Patrol Agent - Overnights

US Customs and Border Protection

Somerset, TX 78069

Bilingual Preferred
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Senior Cybersecurity Engineer, GRC Automation and Continuous Control Monitoring

Marathon Petroleum

Castroville, TX 78009

OnsiteHealth InsurancePaid Time OffRetirement Benefit

Actual position title and pay grade will be based on the selected candidate's experience and qualifications.
The hired candidate will also be eligible for a discretionary company-sponsored annual bonus program.
Access to health, vision, and dental insurance, paid time off, 401k matching program, paid parental leave, and educational reimbursement.
Full time
Bachelor's Degree in Information Technology, related field or equivalent experience.
5+ years of relevant experience required
Experience designing, implementing, and scaling GRC, CCM, or compliance automation solutions within a regulated environment required
Experience in Python or comparable automation technologies, proficient in developing, integrating, and supporting automated workflows and REST API-based data integrations across multiple enterprise systems required.
Hands-on experience integrating security-control data sources into a GRC / CCM evidence pipeline for continuous control testing required. This includes normalizing API, telemetry, configuration, vulnerability, identity, ticketing, and assessment data into control-level evidence, exception logic, ownership, frequency, and audit-ready records across at least three domains such as CNAPP / CSPM, SIEM / security data lake / XDR, CTEM / VM / ASPM, DSPM, ITSM, IAM, GRC / CCM, or AI/agent governance required.
Bachelor's Degree in Information Technology, related field or equivalent experience.
Experience building LLM-backed agentic workflows on Azure AI Foundry, GitHub, or open-source frameworks preferred.
Familiarity with NIST AI RMF, the OWASP LLM Top 10, or comparable AI risk frameworks preferred.
Professional certification, e.g. Security+, Network+, OSCP, GIAC, CEH preferred.

89% of jobs ask for a resume

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89% of jobs ask for a resume

Don't let the perfect job slip away—upload your resume and we'll personalize your results instantly.

New, Posted 6 hours ago
Recommended
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Security Patrol Agent - Overnights

U.S. Customs and Border Protection

La Coste, TX 78039

Bilingual Preferred
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