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Tier Three Engineer Jobs in Texas (NOW HIRING)

IPSecure, Inc.

Windows Engineer III

TX · On-site

$80K - $100K/yr

Provide Tier III engineering support for enterprise Windows infrastructure. * Respond to outages and infrastructure failures. * Support maintenance windows, COOP testing, and mission travel.

IPSECURE, INC.

Windows Engineer III

San Antonio, TX · On-site

$150 - $190/hr

Provide Tier III engineering support for enterprise Windows infrastructure. * Respond to outages and infrastructure failures. * Support maintenance windows, COOP testing, and mission travel.

Netrio

Network Engineer

Mckinney, TX · On-site

$90 - $120/hr

The Tier 3 Network Engineer will serve as a senior technical resource within our engineering team, responsible for the design, implementation, and advanced troubleshooting of complex network ...

Netrio

Network Engineer

Mckinney, TX · On-site

Position Summary The Tier 3 Network Engineer will serve as a senior technical resource within our engineering team, responsible for the design, implementation, and advanced troubleshooting of complex ...

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Tier Three Engineer information

What is the difference between Tier Three Engineer vs Tier Two Engineer?

AspectTier Three EngineerTier Two Engineer
CertificationsAdvanced certifications (e.g., Cisco CCNP, CompTIA Network+)Entry to mid-level certifications (e.g., Cisco CCNA, CompTIA A+)
Work EnvironmentComplex troubleshooting, system design, and advanced supportRoutine maintenance, basic troubleshooting, and user support
Employer & Industry UsageIT service providers, large enterprises, network infrastructureSmall to medium businesses, internal IT teams
Search & Comparison IntentUnderstanding advanced support roles, career progressionBasic support roles, entry-level positions

In summary, a Tier Three Engineer handles more complex issues, requires advanced certifications, and works in larger, more technical environments compared to a Tier Two Engineer, who focuses on routine support and basic troubleshooting.

What is a Tier Three Engineer?

A Tier Three Engineer is a senior technical support or network engineer responsible for resolving complex issues that Tier One and Tier Two support cannot handle. They often troubleshoot advanced hardware, software, or network problems, and may work with specialized tools and certifications such as Cisco or Microsoft to ensure system stability and performance.

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For Tier Three Engineer jobs in Texas, the most frequently searched job titles are:

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The top searched job categories for Tier Three Engineer jobs in Texas are:

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Cities in Texas with the most Tier Three Engineer job openings:

Tier Three Engineer jobs near you

Windows Engineer III

IPSecure, Inc.

TX • On-site

$80K - $100K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Windows Engineer III - TS/SCI Clearance Required - JBSA Lackland - San Antonio, TX
Job Description
The Windows Engineer III serves as the senior Windows infrastructure engineer responsible for the design, implementation, administration, sustainment, and modernization of Microsoft Windows Server environments supporting the Department of the Air Force's Defensive Cyberspace Operations Weapon Systems. The position ensures secure, highly available, and resilient enterprise Windows infrastructure supporting 24x7 cyber operations while maintaining compliance with DoD cybersecurity requirements, RMF, and DISA STIGs.
Job Responsibilities
  • Design, implement, configure, and maintain enterprise Microsoft Windows Server environments.
  • Administer Active Directory, DNS, DHCP, Group Policy, and Microsoft infrastructure services.
  • Support operating system deployments, migrations, upgrades, and technology refresh initiatives.
  • Integrate Windows infrastructure with virtualization, storage, and cloud environments.
  • Administer Windows Server operating systems across multiple security enclaves.
  • Manage enterprise authentication, file, print, and certificate services.
  • Perform capacity planning, performance tuning, backup, and disaster recovery.
  • Implement DISA STIG-compliant configurations.
  • Support RMF, A&A, vulnerability remediation, POA&M activities, and audit readiness.
  • Apply security patches and maintain secure baselines.
  • Provide Tier III engineering support for enterprise Windows infrastructure.
  • Respond to outages and infrastructure failures.
  • Support maintenance windows, COOP testing, and mission travel.
  • Develop automation using PowerShell and Desired State Configuration (DSC).
  • Support infrastructure automation, Checklist-as-Code, and modernization initiatives.

Basic Qualifications
Security Clearance: Active TS/SCI
Education: Bachelor's degree in Computer Science, Information Technology, Cybersecurity, Computer Engineering, or related technical discipline. Equivalent experience may be substituted.
Certification: CASP+, CCNP Security, CCSP, GCIA, GCED, GCIH, or Microsoft Certified Solutions Expert (MCSE) (or equivalent Microsoft enterprise certification)
Experience:
  • Minimum of 8 years of enterprise Windows Server engineering experience.
  • Experience supporting DoD, Federal, or large enterprise environments.
  • Experience with Windows Server, Active Directory, Group Policy, DNS/DHCP, PowerShell, VMware integration, backup and recovery, and enterprise patch management.

Preferred Qualifications
  • Experience engineering and sustaining Microsoft Windows Server infrastructure supporting Department of the Air Force DCO systems or comparable 24x7 DoD mission environments.
  • Advanced expertise with Active Directory, Group Policy, DNS, DHCP, certificate services, VMware integration, enterprise patch management, backup and recovery, and disaster-recovery planning.
  • Demonstrated experience automating Windows infrastructure provisioning, configuration management, and security compliance using PowerShell, Desired State Configuration, 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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