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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$110K - $130K *

Champion the future of enterprise storage solutions by managing critical backup systems, troubleshooting complex issues, and collaborating with security teams to ensure robust data protection and comp...

2 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Optimize cloud infrastructure and database environments, ensuring security, scalability, and performance. Collaborate with cross-functional teams to maintain reliable systems that support critical app...

1 week ago

  •   5 - 7 years exp.  •   Information Technology

$80K - $95K *

Unlock potential by leading the administration and analysis of key federal eBusiness systems, ensuring optimal performance and compliance while driving advanced technical solutions for contracting ope...

Reposted 1 week ago

  •   Less than 5 years exp.  •   Information Technology

$100K - $120K *

Reimagine IT infrastructure management by leading complex projects and driving operational excellence. Leverage your expertise in Windows and VMware to ensure stability across datacenters while mentor...

Reposted 3 weeks ago

  •   5 - 7 years exp.  •   Technical Services

$95K - $115K *

Empower secure enterprise environments by providing expert Windows systems administration, supporting Tier 2 and 3 troubleshooting, and managing system lifecycles in a classified setting...

2 weeks ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Engage in critical systems administration to enhance application capabilities, support intelligence operations, and ensure seamless IT service delivery across diverse platforms and environments, contr...

1 week ago

  •   11 - 15 years exp.  •   Information Technology

$110K - $130K *

Manage and optimize Linux and Windows systems, ensuring compliance and user support. Drive automation and infrastructure management using modern tools while collaborating with teams to enhance perform...

1 week ago

  •   8 - 10 years exp.  •   Information Technology

$95K - $115K *

Unlock potential by managing IT systems and infrastructure, ensuring optimal performance, and leading application deployments. Collaborate with teams to design secure, scalable environments while main...

2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$90K - $110K *

Drive the health and security of our Active Directory environment while collaborating across IT teams. As a Systems Administrator, you'll ensure optimal performance, implement best practices, and supp...

2 weeks ago

  •   5 - 7 years exp.  •   Information Technology

$90K - $121K *

Advance your career as a key IT System Administrator, supporting a diverse college community. Collaborate with technical teams to manage and optimize server infrastructure, ensuring robust cybersecuri...

2 weeks ago

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

$128K - $214K *

Join a team that's dedicated to enhancing system integrity and security. Leverage your expertise in Linux administration and automation to support multi-platform environments and drive innovative solu...

3 days ago

  •   8 - 10 years exp.  •   Information Technology

$110K - $130K *

Drive the evolution of IT infrastructure by managing Microsoft 365, enhancing cybersecurity, and optimizing network systems. Collaborate with teams to ensure operational resilience and support busines...

1 week ago

  •   Less than 5 years exp.  •   Manufacturing & Automotive

$83K - $125K *

Drive the operational health of mission-critical Appian environments, ensuring reliability and performance. Collaborate with cross-functional teams to manage configurations, deployments, and incident...

United StatesRemote

3 days ago

  •   5 - 7 years exp.  •   Information Technology

$89K - $109K *

Lead the administration of network and system infrastructure, ensuring secure and reliable operations. Collaborate with cybersecurity teams, manage user access, and maintain documentation while resolv...

5 days ago

  •   8 - 10 years exp.  •   Business Services

$100K - $120K *

Manage a team delivering IT services aligned with ITIL best practices, leveraging Microsoft and Atlassian technologies. Oversee infrastructure, support operations, and process improvements to enhance...

2 weeks ago

  •   5 - 7 years exp.  •   Finance & Insurance

$149K - $158K *

Champion the management and support of IT systems, ensuring optimal performance and reliability. Oversee UNIX and Windows environments, troubleshoot issues, and provide Tier I and II support to enhanc...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$120K - $155K *

Join our team as a Network Administrator II, where you'll support and maintain network infrastructures, ensuring reliability and security across domestic and international environments. Collaborate wi...

1 week ago

  •   Less than 5 years exp.  •   Information Technology

$80K - $95K *

Join our team as a Linux Systems Administrator, where you'll enhance system performance, automate tasks, and support users in a dynamic environment. Leverage your expertise in Red Hat and Ansible to d...

6 days ago

  •   5 - 7 years exp.  •   Aerospace & Defense

$120K - $145K *

Accelerate organizational growth by leading systems and network engineering teams. You will manage infrastructure design and maintenance across global data centers and hybrid cloud environments, ensur...

Reposted 1 week ago

  •   8 - 10 years exp.  •   Manufacturing & Automotive

$67K - $96K *

Transform your career by managing and optimizing Windows and UNIX systems, ensuring robust performance and security. Collaborate on innovative IT solutions while maintaining essential documentation an...

1 week ago

  •   5 - 7 years exp.  •   Technical Services

$170K - $201K *

Join a dynamic team driving enterprise reliability through expert system administration and troubleshooting. Optimize resource utilization and manage complex configurations, ensuring system integrity...

Reposted 3 weeks ago

  •   11 - 15 years exp.  •   Information Technology

$122K - $140K *

Transform enterprise infrastructure by leading teams and modernizing systems to enhance reliability and support operations across U.S. and European facilities, ensuring secure and resilient technology...

1 week ago

  •   8 - 10 years exp.  •   Food & Beverages

$104K - $166K *

Join a team that's dedicated to enhancing secure Windows environments while ensuring compliance and performance. Collaborate with cybersecurity teams to manage vulnerabilities and support mission-crit...

Today

  •   8 - 10 years exp.  •   Aerospace & Defense

$110K - $120K *

Drive the success of a global team by managing complex IT infrastructures, ensuring secure and efficient operations across diverse environments, and enhancing system performance through automation and...

2 days ago

  •   8 - 10 years exp.  •   Business Services

$115K - $125K *

Help us ensure secure and efficient operations as a Systems Administrator, providing expert technical support, managing desktop systems, and leading complex troubleshooting efforts for our intelligenc...

3 weeks 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.