I O Engineer

UnitedHealth Group; Irvine (CA); Remote; USD 73,000 - 130,000; Full time

Job summary

UnitedHealth Group is seeking an Infrastructure & Operations Engineer in California to design, deploy, secure, and maintain robust enterprise infrastructure. You will work remotely from anywhere in the U.S.

to ensure high availability, performance, and security across platforms, collaborating with cross‑functional teams and following governance requirements. The role emphasizes automation, risk mitigation, incident response, and documentation, with a focus on leveraging AI tools and industry

Qualifications

• Bachelor's degree or 5+ years of relevant infrastructure engineering experience.
• 5+ years of experience in systems administration, infrastructure engineering, or IT operations.
• 5+ years of hands‑on experience supporting enterprise operating systems (e.g., Windows Servers).
• 5+ years of experience managing enterprise infrastructure systems, including servers, storage and virtualization.
• 3+ years of experience with TCP/IP networking concepts, including L2/L3 networking, routing, switching, and firewall technologies.
• 2+ years of experience with enterprise security and endpoint management tools, including Tanium, Tenable, Trend Micro EDR, DLP, Flexera, or equivalent solutions.
• 2+ years of experience with enterprise ITSM platforms (e.g., ServiceNow) supporting incident and change management processes.

Responsibilities

• Use enterprise‑approved AI tools (Co‑pilot, ChatGPT) to streamline workflows and automate tasks.
• Evaluate emerging trends to inform solution design and strategic innovation.
• Configure, deploy, and maintain core enterprise infrastructure systems for high availability and performance.
• Monitor system metrics, perform proactive incident triage, and resolve infrastructure issues.
• Implement automation scripts and workflows to streamline routine tasks.
• Collaborate with cross‑functional engineering and security teams to deliver scalable infrastructure solutions.
• Perform system updates, capacity management, security patching, and disaster recovery execution.
• Maintain documentation of infrastructure configurations and SOPs.

Skills

Infrastructure engineering

Systems administration

IT operations

Networking TCP/IP

Security tools

ITSM tools

Education

Bachelor's degree

5+ years infrastructure experience

Tools

Tanium

Tenable

Trend Micro EDR

DLP

Flexera

ServiceNow

Job description

Our Company

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, and data they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits, and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.

Position Summary

As an Infrastructure & Operations Engineer with the IO Engineering Team in California, you will work remotely to design, deploy, secure, and maintain robust enterprise infrastructure solutions that support critical healthcare operations. In this role, you will collaborate with cross‑functional technical teams to ensure continuous service availability, optimize performance, strengthen security posture, and drive operational efficiency. You will leverage approved modern technologies, automation, and security best practices to streamline workflows, improve infrastructure reliability, and mitigate operational and cybersecurity risks. Responsibilities include supporting enterprise platforms, implementing security controls, managing vulnerability remediation efforts, assisting with incident response activities, and ensuring infrastructure solutions align with organizational security, compliance, and governance requirements.

You’ll enjoy the flexibility to telecommute* from anywhere within the U.S. as you take on some tough challenges.

Primary Responsibilities

• Use enterprise‑approved AI tools (Co‑pilot, ChatGPT), to streamline workflows, automate tasks, and drive continuous improvement
• Evaluate emerging trends to inform solution design and strategic innovation
• Configure, deploy, and maintain core enterprise infrastructure systems to ensure high availability and performance across platforms
• Monitor system metrics, perform proactive incident triage, and resolve infrastructure issues
• Implement automation scripts and workflows to streamline routine operational and administrative tasks
• Collaborate with cross‑functional engineering and security teams within the IO Engineering Team in California to deliver scalable infrastructure solutions
• Perform system updates, capacity management, security patching, and disaster recovery execution
• Maintain comprehensive documentation of infrastructure configurations, standard operating procedures, and technical workflows

You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear directions on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Required Qualifications

• Bachelor’s degree or 5+ years of relevant infrastructure engineering experience
• 5+ years of experience in systems administration, infrastructure engineering, or IT operations
• 5+ years of hands‑on experience supporting enterprise operating systems (e.g., Windows Servers)
• 5+ years of experience managing enterprise infrastructure systems, including servers, storage and virtualization
• 3+ years of experience with TCP/IP networking concepts, including L2/L3 networking, routing, switching, and firewall technologies
• 2+ years of experience with enterprise security and endpoint management tools, including Tanium, Tenable, Trend Micro EDR, DLP, Flexera, or equivalent solutions
• 2+ years of experience with enterprise ITSM platforms (e.g., ServiceNow) supporting incident and change management processes

Preferred Qualifications

• Experience utilizing AI‑assisted capabilities or productivity tools in daily engineering workflows
• 5+ years of experience in enterprise systems administration or infrastructure engineering within healthcare environments
• 2+ years of experience with cloud infrastructure platforms (e.g., Azure, AWS, or GCP)
• 3+ years of experience with containerization and virtualization platforms (e.g., VMware or Kubernetes)
• Relevant industry certifications (e.g., CompTIA Network+/Security+, Microsoft certificates, VCP, Cisco CCNA/CCNP)
• Experience working within ITIL frameworks or Agile/DevOps engineering practices

*All Telecommuters will be required to adhere to UnitedHealth Group's Telecommuter Policy.

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far‑reaching choice of benefits and incentives. The salary for this role will range from $72,800 to $130,000 annually based on full‑time employment. We comply with all minimum wage laws as applicable.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone‑of every race, gender, sexuality, age, location, and income‑deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups, and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.

UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.

UnitedHealth Group is a drug‑free workplace. Candidates are required to pass a drug test before beginning employment.