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Public Key Infrastructure Engineer - Remote or hybrid in MN or DC

Eden Prairie, Minnesota

Caring. Connecting. Growing together.

With these values to guide us, our people are committed to making a meaningful difference in the lives of those we are honored to serve.

Public Key Infrastructure Engineer - Remote or hybrid in MN or DC

Requisition number: 2346984 Job category: Technology Primary location: Eden Prairie, MN Date posted: 03/06/2026 Overtime status: Exempt Travel: No

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, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.


Positions in this function are involved in monitoring, evaluating, and maintaining systems and procedures to safeguard internal information systems, networks, databases, and Web-based security. Conduct vulnerability assessments and monitor systems, network, databases and Web for potential system breaches. Respond to alerts from information security tools. Report, investigate, and resolve security incidents. Recommend and implement changes to enhance systems security and prevent unauthorized access. Research security trends, new methods, and techniques used in unauthorized access of data in order to preemptively eliminate the possibility of system breach. May oversee internal or external systems security (i.e., cloud services). Ensure that customers and users have the right access to the right systems at the right times.


If you are located in MN or DC, you will have the flexibility to work remotely* as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week.


Primary Responsibilities:

  • Direct point of contact for acquired entities for public domain name and digital certificate migration, management, and automation
  • Identify and remediate PKI security and configuration issues
  • Provide engineering and operations support for Optum's Internal PKI and Cloud-based PKI platform including owning responsibility for acquired entity integration
  • Provide innovative solutions to automate repetitive tasks
  • Participate in a 24x7 on call rotation supporting Optum's internal PKI resources and platforms


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

Required Qualifications:

  • 2+ years Windows server and workstation administration
  • 2+ years managing an enterprise application platform
  • 2+ years of general network knowledge with emphasis on DNS, firewall, and proxy knowledge
  • 1+ years of PKI experience in an enterprise with emphasis on Microsoft Active Directory Certificate Services (ADCS) and KeyFactor EJBCA
  • 1 years of active directory experience
  • Scripting and automation experience leveraging PowerShell, Python, or other scripting languages
  • Experience with certificate lifecycle management
  • Understanding of X.509, RSA and general certificate management processes
  • Ability to participate in on call rotation for urgent issues


Preferred Qualifications:

  • Undergraduate degree in applicable area of expertise or equivalent experience
  • CISSP or other security related certification
  • Cloud Infrastructure experience in any of the major CSP's including MS Azure, AWS, or GCP
  • Identity and Access Management experience


*All employees working remotely 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.


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.

Benefits

Our mission of helping people live healthier lives extends to our team members. Learn more about our range of benefits designed to help you live well.

Life

Resources and support to focus on what matters most to you, in every facet of your life.

Emotional

Education, tools and resources to help you reduce and manage stress, build resilience and more.

Physical

Health plans and other coverage to support wellness for you and your loved ones.

Financial

Benefits for today and to help you plan for the future, including your retirement.

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