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Senior Unix Engineer Jobs in Texas (NOW HIRING)

IPSecure, Inc.

UNIX Engineer III

San Antonio, TX

$80K - $100K/hr

UNIX Engineer III - TS/SCI Clearance Required - JBSA Lackland - San Antonio, TX The UNIX Engineer III serves as the senior UNIX/Linux infrastructure engineer responsible for the design ...

IPSecure, Inc.

UNIX Engineer III

TX · On-site

$80K - $100K/yr

UNIX Engineer III - TS/SCI Clearance Required - JBSA Lackland - San Antonio, TX The UNIX Engineer III serves as the senior UNIX/Linux infrastructure engineer responsible for the design ...

Sarian Solutions

Unix Expert

Plano, TX

Job Title: Sr. Unix Expert Location: Plano, TX Job Type: Full-Time Required Skills/Experience ... Experience troubleshooting, analysis, research and resolution using advanced query, programming ...

Kanak Elite Services Inc

Senior Database Engineer

Dallas, TX · On-site

$104K - $142K/yr

Senior Database Engineer/ Oracle PL/SQL Location: Houston, TX - 60% Onsite (Hybrid) Contract Length ... Hands-on with Windows, Linux, and UNIX platforms for database deployment and management. Strong ...

Sarian, Inc.

Sr. Network Engineer

Addison, TX · On-site

$100K - $137K/yr

Linux, Unix Secondary: Java Experience: 10+ years Roles & Responsibilities Job Summary We are seeking a highly skilled Senior Linux Network Engineer to lead the installation, configuration, and ...

Collabera

Sr. Storage Engineer

Plano, TX

Candidate will create and document configuration standards for storage integrated with our peers (UNIX, Windows, Linux, Oracle, SQL Server, etc.) * The Senior Storage Engineer is responsible for ...

Eitacies Inc

Senior Cloud DevOps Engineer

Austin, TX · On-site

$129K - $166K/yr

Benefits: * 401(k) Senior Cloud DevOps Engineer Location: Austin, TX (Day 1 Onsite) Openings: 3 We ... Shell Scripting (Bash/Unix) * Linux Administration * Production Support & Infrastructure Management ...

Open iT Inc.

Senior Systems Engineer

Houston, TX

$90K - $123K/yr

... Unix and Linux platforms. Founded in 1999, with offices in the Americas, Europe and Asia, Open iT ... Senior Engineer Information Management , Norsk Hydro ASA "Newfield Exploration chose Open iT for ...

Open iT Inc.

Senior Systems Engineer

Houston, TX · On-site

$90K - $123K/yr

... Unix and Linux platforms. Founded in 1999, with offices in the Americas, Europe and Asia, Open iT ... Senior Engineer Information Management , Norsk Hydro ASA "Newfield Exploration chose Open iT for ...

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Senior Unix Engineer information

What are the key skills and qualifications needed to thrive as a senior Unix engineer?

To thrive as a Senior Unix Engineer, you need deep expertise in Unix/Linux system administration, scripting, troubleshooting, and a relevant degree or equivalent experience. Familiarity with automation tools (such as Ansible or Puppet), shell scripting languages (like Bash or Perl), and certifications like RHCE or CompTIA Linux+ is highly valued. Strong problem-solving skills, effective communication, and the ability to mentor junior staff help set top performers apart in this role. These skills ensure reliable systems, smooth operations, and robust support for complex enterprise environments.

What does a senior Unix engineer do?

A Senior Unix Engineer is responsible for designing, implementing, and maintaining Unix-based systems within an organization. They handle advanced troubleshooting, system performance tuning, security configurations, and ensure the reliability and scalability of Unix infrastructure. In addition, they often mentor junior engineers, develop automation scripts, and collaborate with other IT teams to support business operations. Their expertise is crucial for managing large-scale, mission-critical environments.

What is the difference between Senior Unix Engineer vs System Administrator?

AspectSenior Unix EngineerSystem Administrator
CredentialsBachelor's in Computer Science, Unix/Linux certifications (e.g., RHCE, LPIC)Bachelor's in IT or related field, Linux/Unix certifications often preferred
Work EnvironmentDesigning, implementing, and maintaining Unix systems, often in enterprise environmentsManaging daily system operations, troubleshooting, and user support
Industry UsageTech, finance, healthcare, and large enterprisesVaries across industries, including small to large organizations
Search & Comparison IntentFocus on advanced Unix skills and system designFocus on operational support and system maintenance

The main difference is that Senior Unix Engineers focus on designing and optimizing Unix systems, while System Administrators handle daily operations and support. Both roles require similar certifications and work in related environments, but their responsibilities differ in scope and complexity.

What are some of the most common challenges faced by senior Unix engineers in a large enterprise environment?

Senior Unix Engineers in large enterprises often face challenges related to managing complex, heterogeneous server environments and ensuring high availability. Balancing routine maintenance, security patching, and system upgrades with the need to minimize downtime can be demanding. Additionally, staying up to date with evolving technologies and scripting languages, while coordinating with cross-functional teams like network, storage, and application groups, requires strong communication and problem-solving skills.
What are popular job titles related to Senior Unix Engineer jobs in Texas? For Senior Unix Engineer jobs in Texas, the most frequently searched job titles are:
What job categories do people searching Senior Unix Engineer jobs in Texas look for? The top searched job categories for Senior Unix Engineer jobs in Texas are:
What cities in Texas are hiring for Senior Unix Engineer jobs? Cities in Texas with the most Senior Unix Engineer job openings:
Senior Unix Engineer jobs near you
Infographic showing various Senior Unix Engineer job openings in Texas as of August 2026, with employment types broken down into 92% Full Time, 3% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

UNIX Engineer III

IPSecure, Inc.

San Antonio, TX

$80K - $100K/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 18 days ago

Job description

UNIX Engineer III – TS/SCI Clearance Required – JBSA Lackland - San Antonio, TX
Job Description
The UNIX Engineer III serves as the senior UNIX/Linux infrastructure engineer responsible for the design, implementation, administration, sustainment, and modernization of enterprise UNIX and Linux environments supporting the Department of the Air Force's Defensive Cyberspace Operations Weapon Systems. The position ensures secure, resilient, and highly available enterprise infrastructure supporting 24x7 cyber operations while maintaining compliance with DoD cybersecurity requirements, RMF, and DISA STIGs.
Job Responsibilities
  • Design, implement, configure, and maintain enterprise UNIX and Linux server environments.
  • Engineer highly available Linux platforms supporting mission-critical applications.
  • Perform operating system deployments, upgrades, migrations, and technology refresh initiatives.
  • Integrate UNIX/Linux systems with virtualization, storage, backup, and cloud environments.
  • Administer enterprise Linux and UNIX operating systems across multiple security enclaves.
  • Manage authentication, file systems, storage, and system resources.
  • Monitor system health, capacity, and performance.
  • Support enterprise backup and disaster recovery.
  • Implement DISA STIG-compliant UNIX/Linux configurations.
  • Support RMF, A amp;A, vulnerability remediation, POA amp;M activities, and audit readiness
  • Provide Tier III engineering support.
  • Develop automation using Bash, Python, and Ansible.
  • Support Infrastructure-as-Code, Checklist-as-Code, and modernization initiatives.
Basic Qualifications
Security Clearance: Active TS/SCI
Education: Bachelor's degree in Computer Science, Information Technology, Computer Engineering, Cybersecurity, or related field. Additional experience may substitute for education.
Certification: CASP+, CCNP Security, CCSP, GCIA, GCED, GCIH, or Red Hat Certified Engineer (RHCE) (or equivalent enterprise UNIX/Linux certification).
Experience:
  • Minimum of 8 years of enterprise UNIX/Linux engineering experience.
  • Experience supporting DoD, Federal, or large enterprise environments.
  • Experience with RHEL, Oracle Linux, Bash, Python, Ansible, LVM, NFS, LDAP, SSH, VMware integration, backup/recovery, and performance tuning.
Preferred Qualifications
  • Experience engineering and sustaining UNIX/Linux infrastructure supporting Department of the Air Force DCO weapon systems, DAFIN-SOC environments, or comparable 24x7 mission operations.
  • Advanced expertise with RHEL and Oracle Linux, including high-availability architectures, VMware integration, LVM, NFS, LDAP, SSH, enterprise backup and recovery, and performance optimization.
  • Demonstrated experience automating infrastructure provisioning, configuration management, and security compliance using Ansible, Bash, Python, Infrastructure-as-Code, and Checklist-as-Code methodologies.
Benefits
Medical, Dental, Vision, Unlimited Vacation, Sick Leave, Paid Federal Holidays, Education and Certification Reimbursement Program, 401(k) retirement plan with safe harbor employer match after 3 months, Prepaid Legal Plan and Identity Protection Plan available, Accident Insurance, Critical Illness Insurance, and Hospital Indemnity Insurance available.
EEOC Statement
IPSecure does not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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