126 senior software engineer jobs at 69 companies in Cibolo, TX
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Software Engineer, Senior
San Antonio, Texas, United States
OnsiteFull Time
Astrion: Provide engineering and mission support services to federal government agencies.
10+ YOEU.S. citizen with active TS/SCI clearance, 10+ years software engineering experience, bachelor's in computer science or related (or equivalent), proficiency in Python/Java/JavaScript/C, EM integration and customer coordination.
Grand Rapids or San Antonio or Raleigh or Washington
$110k-$160k/yrRemoteFull Time
BrainGu: Builds resilient, secure DevSecOps platforms for mission-critical environments.
7+ YOE7+ years software engineering experience, expertise with React and Python/Django, CompTIA Security+ (or obtain within 180 days), ability to obtain US government clearance, up to 30% domestic travel, located in Michigan or Texas.
Applied Research Solutions: Providing technical engineering and mission support to defense agencies.
10+ YOEU.S. citizen with active TS/SCI, Bachelor's in CS/CE or equivalent, 10+ years software development experience, proficiency with Python/Java/JavaScript/C, experience with Linux/Windows, strong communication and analytical skills.
Astrion: Provides engineering, cybersecurity, and mission support services.
10+ YOEU.S. citizen with active TS/SCI clearance, bachelor's degree or equivalent, 10+ years software development experience, proficiency in Python, Java, JavaScript, C, Linux/Unix and Windows, experience with Agile/DevOps and cloud environments.
H-E-B: Operates a major supermarket chain in Texas and Mexi
5+ YOE5+ years software development experience, Python and Angular or React experience, AWS preferred, strong CS fundamentals, experience with Git/Jira/Confluence, system and data architecture knowledge.
GFiber: Broadband technology delivering fiber internet services
8+ YOE8+ years Salesforce development; 6+ years Apex/REST API; 2+ years Vlocity/Omniscript; Salesforce configuration with Apex, Visualforce, LWC, CPQ; Bachelor's in CS or related field
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
5+ YOE5+ years IT experience; full-stack Microsoft stack (C#, Blazor, .NET Core), Azure and IaC experience; DevSecOps and application security knowledge; AZ-204 desired; bachelor’s in IT or equivalent.
C#, Blazor, .NET Core, Microsoft SQL Server, Azure, Infrastructure as Code (IaC), Python, Version Control System
EverWatchNYSE: BAH: Provides advanced software and intelligence solutions for government agencies.
7+ YOETS/SCI with polygraph required; 7+ years software engineering with Python/Java, cloud (AWS/Azure/GCP), big-data frameworks (Spark/MapReduce), SQL/NoSQL, and data libraries (Pandas/NumPy/SciPy).
Northstrat: Provides IT and engineering solutions for US government agencies.
9+ YOE9+ years software engineering experience with strong Java skills, Kubernetes/helm/flux experience, API and microservices design, Linux and CI/CD tooling; U.S. citizenship required.
AI Development & Agent Ops — Senior Principal Software Engineer
Hopkinton or Austin
$208k-$270k/yrOnsiteFull Time
Dell TechnologiesNYSE: DELL: Provides information technology hardware, software, and services.
10+ YOE10+ years software engineering experience, deep familiarity with CI/CD and developer tooling, experience with agentic/AI development, strong cross-functional collaboration and communication skills.
Windsurf/Codeium, Claude Code, GitHub Copilot, Cursor, Model Context Protocol (MCP)
IAMUS Consulting: Provider of specialized cybersecurity and IT engineering services.
7+ YOEStrong Java and modern Java frameworks experience, Kubernetes (helm, flux), API and microservices design, RESTful services, Linux, Git/Nexus/Maven; 7+ years experience (or equivalent), U.S. citizenship required for Secret clearance processing.
EverWatch: Develops software and intelligence systems for government agencies.
7+ YOEExperience with Python and Java, data processing/pipelines, SQL/NoSQL, Apache Spark or MapReduce, cloud (AWS/Azure/Google Cloud), TS/SCI with polygraph,7+ years software or data analytics experience or 11+ with HS.
Pivot Path Solutions: Provides IT, cybersecurity, and mission support to government agencies.
6+ YOEBS in CS/engineering/info systems and 6+ years software design and SDLC experience; hands-on ASP.NET, VB.NET, C#.NET, JavaScript, HTML/CSS, Oracle, Visual Studio 2019, Azure DevOps; U.S. Citizenship and active government clearance required.
CNF Technologies: Cybersecurity firm providing R&D and engineering for defense clients.
5+ YOE5+ years system/software engineering experience; proficiency in Java, Python, Spring Boot, Postgres DB, VMware, Docker, CI/CD, data mining, databases and DevOps; must have or obtain TS/SCI clearance.
Java, Python, Spring Boot, Postgres DB, VMware, Docker, CI/CD, AI/ML
San Juan Capistrano or Midvale or Dallas or San Antonio
$125k-$155k/yrHybridFull Time
Ensign ServicesNASDAQ: ENSG: Provides administrative and clinical support to post-acute healthcare facilities.
5+ YOE5+ years software development or automation engineering experience; proficiency with Python/Node.js, BPM and low-code tools, AWS, data integration, Agile; bachelor's degree or equivalent.
Annapolis Junction or San Antonio or Aurora or Cary
$149k-$235k/yrOnsiteFull Time
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
7+ YOETS/SCI with Polygraph required; Bachelor's+7 years (or HS+11 years); experience developing Windows/UNIX applications in C/C++/C#/Java/Python; DevOps and CI/CD experience; analyze requirements and lead software design.
Plateau Software: Provides IT and environmental software solutions for government agencies.
7+ YOE7+ years software development experience, active secret or interim clearance, front-end/UI expertise, CI/CD and DevSecOps familiarity, proficiency in object-oriented/scripted languages, Agile experience.
Centreville or Herndon or Columbia or Augusta or San Antonio or United States
$125k-$225k/yrHybridFull Time
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
10+ YOE10+ years software engineering experience, C/C++ proficiency, strong Windows knowledge, Git familiarity, active Top Secret/SCI clearance, bachelor’s in CS preferred, documentation and collaboration skills.
C/C++, Git, Python, CI/CD, Windows APIs, win32, Windows Native
Wyetech: Provides professional engineering services for government and commercial sectors.
14+ YOETS/SCI with agency poly required; 14+ years SWE experience; Bachelor’s in CS (or equivalent); strong Python and Java skills; experience with VMs, Atlassian, Git, IntelliJ/Eclipse; backend and data-processing experience.