IT Infrastructure Administrator Jobs

Explore IT Infrastructure Administrator opportunities for experienced technology professionals who keep business-critical systems reliable, secure, and ready to scale. Ladders features vetted professional roles paying $100,000 or more, including openings in infrastructure operations, systems administration, networking, cloud platforms, and enterprise support.

What IT Infrastructure Administrators Do

IT Infrastructure Administrators manage the technology foundations organizations rely on every day. Responsibilities may include maintaining servers and operating systems, administering networks and identity services, monitoring performance and availability, managing backups and disaster recovery, and resolving complex infrastructure issues. Many roles also contribute to cloud migration, automation, security controls, and technology planning.

Skills and Experience Employers Seek

Employers often look for hands-on experience with Windows or Linux environments, virtualization, cloud services, networking, storage, and endpoint or directory management. Scripting, configuration management, monitoring, incident response, and strong documentation skills can also be valuable. Certifications and expertise in platforms such as AWS, Microsoft Azure, Google Cloud, VMware, or Cisco may help demonstrate specialized knowledge, depending on the role.

Career Paths in IT Infrastructure

Infrastructure administrators can advance into senior systems or network administration, cloud engineering, infrastructure architecture, site reliability engineering, IT operations leadership, or cybersecurity. Roles vary by organization: some focus on a particular platform, while others oversee hybrid environments that combine on-premises data centers and cloud services.

Find IT Infrastructure Administrator Jobs on Ladders

Search Ladders for vetted IT Infrastructure Administrator jobs and related opportunities paying $100,000 or more. Review each listing for its technology stack, responsibilities, location, and experience requirements to find roles that align with your career goals.

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1
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$100K - $110K *

Accelerate your career by optimizing and modernizing enterprise infrastructure. Lead critical IT operations, ensuring security and performance while mentoring engineers and collaborating across teams...

1 week ago

  •   5 - 7 years exp.  •   Finance & Insurance

$80K - $95K *

Elevate your career by providing critical IT support, ensuring secure Windows Server operations, and optimizing Azure environments. Collaborate across teams to enhance system performance and maintain...

5 days ago

  •   Less than 5 years exp.  •   Transportation

$146K - $204K *

Lead and enhance IT audit and data analytics initiatives, driving risk assessment and automation strategies while managing a global team to optimize processes and ensure compliance across technology e...

4 days ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$74K - $130K *

Join a team that's dedicated to enhancing national security through innovative IT solutions. As a Jr System Administrator, you'll provide essential Tier 1 support, troubleshoot issues, and ensure opti...

1 week ago

  •   Less than 5 years exp.  •   Real Estate & Construction

$88K - $105K *

Grow your career with a dynamic role managing Global Command and Control systems. Collaborate with technical teams to ensure system availability, perform administration tasks, and enhance operational...

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$100K - $120K *

Elevate your career by engineering and optimizing Linux server solutions in mission-critical environments. Collaborate with multidisciplinary teams to enhance system performance and security while sup...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$95K - $115K *

Drive technology excellence by leading IT systems and support initiatives. Oversee Microsoft 365 administration, enhance user experience, and implement innovative solutions to boost productivity and o...

3 days ago

  •   5 - 7 years exp.  •   Information Technology

$100K - $120K *

Innovate and enhance internal technology environments while leading IT systems administration, user support, and cybersecurity initiatives. Drive collaboration and productivity through Microsoft 365 a...

3 days ago

  •   5 - 7 years exp.  •   Information Technology

$88K - $105K *

Innovate network solutions by designing and implementing secure LAN/WAN infrastructures. Collaborate with teams to optimize performance and ensure compliance in a dynamic government environment, lever...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$110K - $130K *

Lead the charge in optimizing our global hosting platforms, ensuring engineering excellence and proactive improvement. Collaborate across teams to enhance lifecycle management, support projects, and d...

Reposted 3 weeks ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$88K - $105K *

Join a dynamic team to build and manage GPU-based infrastructure for AI systems, ensuring secure and efficient operations for advanced flight simulation. Collaborate on installations, testing, and sys...

3 weeks ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$90K - $110K *

Lead and empower a dynamic IT team to enhance infrastructure and security while driving innovation and aligning with business strategies in a fast-paced environment. Be a crucial player in adapting te...

Kincardine, ONIn-Person

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Manufacturing & Automotive

$130K - $152K *

Architect secure, high-performance enterprise network systems across diverse environments. Collaborate globally to enhance operations, troubleshoot complex issues, and implement security initiatives w...

6 days ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$130K - $152K *

Innovate and enhance our global network infrastructure by designing, implementing, and securing enterprise systems across diverse environments. Collaborate with IT teams and stakeholders to ensure opt...

6 days ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$130K - $152K *

Drive the design and implementation of secure enterprise network systems, ensuring optimal performance and security across diverse environments. Collaborate globally to enhance IT infrastructure and s...

6 days ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$130K - $152K *

Drive the design and implementation of secure enterprise network systems across diverse environments. Collaborate globally to enhance operations, troubleshoot issues, and advance security initiatives...

6 days ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$130K - $152K *

Build and enhance enterprise network systems globally, ensuring security and performance. Collaborate with IT teams to design, implement, and troubleshoot network infrastructure across diverse environ...

6 days ago

  •   Less than 5 years exp.  •   Pharmaceuticals & Biotech

$80K - $95K *

Lead the charge in designing and maintaining multi-site network infrastructure, ensuring security, reliability, and optimal performance across various environments through independent decision-making...

Reposted 2 weeks ago

  •   5 - 7 years exp.  •   Education, Government & Non-Profit

$80K - $95K *

Empower our network stability by overseeing design, security, and maintenance across multiple sites. Leverage your deep expertise in network infrastructure to ensure seamless connectivity and robust c...

Reposted 2 weeks ago

  •   Less than 5 years exp.  •   Education, Government & Non-Profit

$100K - $120K *

Transform your career by leading technical support initiatives, driving project success, and collaborating across teams to enhance user experience and operational efficiency in a dynamic IT environmen...

1 week ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$80K - $95K *

Transform the future of our network systems by ensuring seamless connectivity and robust support for our agency's IT infrastructure. Collaborate with teams to enhance user experience and maintain high...

5 days ago

  •   Less than 5 years exp.  •   Education, Government & Non-Profit

$90K - $120K *

Elevate your career by managing IT operations, vendor relationships, and internal projects. Lead endpoint management and ensure service quality while driving technology transitions and compliance init...

United StatesRemote

3 weeks ago

  •   Less than 5 years exp.  •   Information Technology

$88K *

Support the administration and maintenance of cybersecurity platforms, ensuring compliance with security requirements while enhancing system performance and capacity. Collaborate with teams to safegua...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$108K - $130K *

Drive the design, development, and support of application software, ensuring alignment with operational and security standards. Collaborate with stakeholders to enhance IT solutions and lead applicati...

Today

  •   Less than 5 years exp.  •   Transportation

$110K - $130K *

Transform virtual desktop environments by leveraging expertise in VMWare and Citrix. Collaborate with teams to optimize cloud solutions and enhance service delivery across multi-site architectures, en...

3 days ago

  •   5 - 7 years exp.  •   Information Technology

Frequently Asked Questions (FAQ)

  • What does an IT Infrastructure Administrator do?question toggle

    An IT Infrastructure Administrator maintains and supports the systems, networks, servers, cloud services, and related tools that organizations use to operate. The work can include monitoring availability, troubleshooting incidents, managing access, applying updates, and supporting backups and security.

  • What skills are commonly required for IT Infrastructure Administrator jobs?question toggle

    Requirements vary, but employers commonly seek experience with Windows or Linux administration, networking, virtualization, cloud platforms, identity and access management, monitoring, and scripting. Communication, troubleshooting, and documentation skills are also important.

  • Which certifications can help IT Infrastructure Administrators?question toggle

    Depending on the position, certifications in AWS, Microsoft Azure, Google Cloud, VMware, Cisco, or security may be useful. The most relevant credential depends on the employer's technology environment and the role's responsibilities.

  • What career paths can follow an IT Infrastructure Administrator role?question toggle

    Professionals may progress into senior infrastructure administration, cloud engineering, network architecture, site reliability engineering, IT operations management, or cybersecurity roles.

  • Are IT Infrastructure Administrator jobs available that pay $100,000 or more?question toggle

    Yes. Ladders features vetted professional jobs paying $100,000 or more, including qualifying IT infrastructure opportunities. Compensation and requirements vary by employer, location, and experience.