• Designing scalable, secure, and resilient enterprise network architectures (LAN / WAN / WLAN / Data Center / Cloud) • Developing and maintaining network diagrams, standards, and documentation • Evaluating new technologies and recommending improvements to existing infrastructure • Configuring, deploying, and troubleshooting routers, switches, firewalls, load balancers, and wireless systems • Managing and optimizing SD-WAN, VPNs, and remote-access solutions • Ensuring uptime and performance of network systems through proactive monitoring and tuning • Overseeing lifecycle management including patching, upgrades, and hardware refreshes • Implementing and maintaining network security controls (ACLs, IPS/IDS, segmentation, firewalls) • Collaborating with cybersecurity teams on risk assessments, audits, and incident response • Ensuring compliance with corporate security policies and industry best practices • Designing and supporting hybrid-cloud connectivity (Azure, AWS, etc) • Developing network automation scripts and tools using Python, PowerShell, or Ansible • Integrating network infrastructure with cloud-native services and virtualization platforms • Leading network projects from design through execution and post-implementation support • Providing mentorship and technical guidance to junior engineers • Partnering with cross-functional teams (Server, Security, Applications, Operations) to support business objectives • Serving as an escalation point for complex network issues

• Manage and troubleshoot cloud networks connecting GCP, Microsoft Azure, and partner carriers such as Equinix and Telnyx. • Maintain minimal network latency (<50ms) and keep hybrid transit lines clear. • Provision Private Service Connect (PSC) pathways to securely link Gemini Enterprise Agents with internal customer databases. • Achieve 100% data insulation and prevent unauthorized network data exfiltration. • Draft, review, and test declarative Terraform scripts to automate standard network configurations. • Ensure zero manual configuration drift within critical production layers. • Utilize GCP Network Intelligence Center to run connectivity tests, analyze routing topologies, and evaluate packet health. • Proactive detection of routing loops, latency spikes, or dynamic BGP route drops. • Set up and manage global application load balancers to distribute conversational traffic safely. • Guarantee zero downtime during massive traffic scale-ups or sudden regional outages. • Write and refine Cloud Armor rule sets, access control lists, and cloud firewall parameters. • Ensure complete protection against external DDoS attacks and unauthorized network incursions. • Participate in daily standups and engineering syncs with cloud architects, SREs, and conversational AI specialists.

Title: Senior Manager Network Engineering Location: United States Job Description: Opportunities with Logistics Health Incorporated (LHI), part of the Optum family of business. We're dedicated to simplifying the logistics of complex workforce health programs with cost-effective solutions and a seamless distribution process. With offices in La Crosse, Wis., a satellite office in Chicago and remote employees throughout the country, we have a variety of rewarding career opportunities for you. Elevate your career as you help us create a healthier tomorrow for everyone and discover the meaning behind Caring. Connecting. Growing together. This hands-on leadership role manages the IT network team responsible for Optum Serve's data network, security operations, and data center facility systems. The role oversees data center operations, network switching technologies, Application Centric Infrastructure (ACI), load balancing technologies, internal and external DNS, and firewalls. This position partners closely with the Senior Infrastructure Architect, IT Operations, and other IT leaders to support the execution of business objectives and technology strategy across Optum Serve. The leader in this role is accountable for managing the network infrastructure that supports business operations and serves as the ultimate escalation point for a large, complex environment. This role oversees more than 500 network devices across six data centers supporting three distinct lines of business, as well as approximately 350 network devices across 150 Veterans Benefits Administration (VBA) clinic locations. The position participates in technology war rooms, leads problem management activities, and regularly interfaces with IT leadership, application teams, and business stakeholders. This leader is responsible for maintaining the secure, balanced, and uninterrupted operation of Optum Serve's core network services within its data centers. The role also serves as the primary point of contact for security and processing audits related to network infrastructure and operations. Responsibilities include oversight of network infrastructure, WAN, LAN, load balancers, firewalls, IPv4/IPv6, BGP, VXLAN, EVPN, and related hardware appliances. In addition, this position provides leadership for patching and hardening, configuration management, monitoring, maintenance, and issue resolution across managed network systems that support core business operations. Work is driven by direct leadership, assigned projects, operational backlogs, and business requests. This role is accountable for administration of the network layer and supporting technologies, evaluation of modern solutions, delivery of modernization initiatives, operational excellence, and ownership of network automation efforts. The position partners across Optum Serve IT to execute and maintain technologies critical to organizational success. requests. You will be accountable for the administration of the network layer & underlying technologies, research of modern technologies, modernization projects, and maintaining operational excellence and own the network automation efforts. This position partners across Optum Serve IT in the execution and maintenance of technologies key to Optum Serveʼs success. Managed technologies include, but are not limited to, ISP data circuits, Azure ExpressRoute circuits, Cisco network hardware, Cisco ACI, Cisco firewalls, Palo Alto firewalls and VPN, Cisco and Aruba wireless hardware, NetBox, ForeScout, Ubiquiti network hardware, AlgoSec, NetScaler and F5 load balancers, and Infoblox DNS. Team members in this role may also support network automation and Microsoft Azure management, including infrastructure as code, Terraform, Ansible, Python, Azure DNS, Kubernetes networking, Azure networking, Azure Government cloud, and Azure commercial cloud. Primary Responsibilities: - Manage a highly available data network environment - Set team direction, resolve issues, and provide guidance and leadership to team members - Adapt departmental plans and priorities to address business and operational challenges - Lead the engineering and operations of network technologies, including LAN/WAN, VPN, data center, remote sites, teleworkers, firewalls, and IPS/IDS - Manage physical installations and cabling for data center infrastructure, including servers, storage, network, and telecom systems - Oversee data center facilities, including power and cooling systems - Lead, educate, and grow the team's technical capabilities through current- and future-state technology training - Provide guidance to IT teams and partners in support of audits, network operations, and data center operations - Oversee and implement network and data center projects that support business initiatives - Design and implement scalable solutions that support organizational growth - Ensure documentation is created, maintained, and kept accurate - Develop and improve processes and procedures related to maintenance, automation, containerization, system testing, and functional validation - Assist with technology assessments, evaluations, and product recommendations to support information security and infrastructure goals - Guide staff in troubleshooting issues and supporting systems and IT services - Oversee centralized documentation of the network footprint - Create and update IT standard operating procedures for business services - Maintain appropriate software and hardware licensing documentation - Oversee the environment and daily network operations - Partner with Engineering and Architecture teams on assessments, evaluations, proof of concept work, and recommendations for products and services - Manage team on-call rotations and serve as an escalation point for after-hours support - Work off-hours as job responsibilities require - Perform other duties as assigned 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: - 6+ years of experience as a Network Systems Administrator - 3+ years of IT operations and related dependencies - 3+ years of experience with end-to-end system dependencies across infrastructure, systems, data, telecom, desktop, and mobile environments - 3+ years of experience coaching and leading IT professionals across multiple disciplines - 2+ years of data communications standards and implementations - Willing or ability to participate in a 24x7 on-call rotation - Willing or ability to work off-hours as job responsibilities require Preferred Qualifications - Current CCNP certification - Certifications and hands-on experience with Microsoft, Cisco, VMware, EMC, and related technologies - Scripting experience with Bash, Python, or PowerShell - Experience managing infrastructure as code using Terraform, CloudFormation, or similar technologies - Experience with OS and application hardening in compliance-driven environments, including DISA, NIST, VA6500, and HIPAA - Experience deploying and maintaining business solutions in Microsoft Azure - Experience with DevOps CI/CD workflows - Experience with VMware technologies such as vRealize, ESXi, and Workstation Pro - Experience with Cisco ACI or other SDN technologies supporting the Kubernetes networking model - ITIL or other ITSM framework certification - Experience with Cisco UCS and EMC enterprise products - Experience with automation tools such as SCCM and Orchestrator - Experience with Infrastructure as Code practices and tools - DOD, VA, or military experience - DOD, VA, or military clearances - National Career Readiness Certificate - 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 $112,700 to $193,200 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. OptumCare is a drug-free workplace. Candidates are required to pass a drug test before beginning employment

Role Description The Sr. Network Engineer translates technological designs into functional, high-performance network infrastructures, ensuring exceptional reliability and technical operational efficiency across the enterprise deployment environment. The Sr. Network Engineer possesses an advanced understanding of network automation platforms (e.g., Ansible, scripting environments) and Internet engineering administration policies (e.g., ARIN management, BGP policy execution), applying these fundamental concepts to support, scale, optimize, and secure business-critical infrastructure assets. Qualifications - Expert level understanding and demonstrated production-level delivery, operation, and administration of enterprise network technologies (SDWAN, BGP routing, switching matrix, firewall engines, enterprise wireless, network telemetry visibility, etc.). - Expert level command over engineering practices and foundational networking protocols (MPLS trunks, optical transit transport, IPv4 subnets, 802.1X authorization, VPN access nodes, micro-segmentation models, QoS queuing, IPAM allocation, etc.). - At least 5 years of hands-on experience implementing, maintaining, and engineering extensive core network infrastructure solutions across large, geographically distributed complex networks. - At least 5 years of demonstrated engineering capability sustaining and troubleshooting high availability systems and operations within an active 24x7 mission-critical production environment. - Applied technical experience executing deployment plans matching solutions architecture parameters, specifically addressing enterprise-grade security hardening, high-availability clusters, disaster recovery, synthetic monitoring, and infrastructure health telemetry. - Proven history delivering technical components for concurrent, large information system infrastructure initiatives spanning initial implementation definitions through validation stages. Requirements - Deploy, configure, integrate, and optimize core network infrastructure and technologies (routing, switching, firewalls, wireless, SD-WAN). - Manage life cycle execution, device updates, and physical/logical transitions. - Evaluate target designs to implement robust network throughput, performance adjustments, and technical alignment with regulatory and industry frameworks. - Develop, optimize, and maintain infrastructure automation systems and deployment playbooks (e.g., Ansible scripts). - Manage external edge routing profiles, internet policy design structures, autonomous systems, BGP policies, and IPAM registries (ARIN allocation). - Supervise and execute systemic Life Cycle Management (LCM) procedures for hardware/software nodes. - Serve as the definitive Tier 3 subject matter expert and technical escalation path for corporate network disruptions or infrastructure operational events. - Conduct deep technical troubleshooting, performance isolation, and system remediation during high-priority outages to sustain continuous delivery within a complex 24x7 enterprise landscape. - Author, refine, and enforce engineering specifications, standard operating routines, and architectural state documentation maps. - Conduct structural technical reviews, configuration assessments, and network state compliance audits to ensure precise synchronization with core corporate directives and security guidelines. - Deliver structured engineering leadership, architecture alignment reviews, and procedural expertise to technical engineering team members. - Mentor junior and mid-level personnel in specialized data-center isolation workflows, algorithmic problem-solving models, and objective logical verification mechanics. Benefits - Pay Rate: Min - $150,000 | Max - $150,000 Physical Requirements - Standing - Constantly - Walking - Constantly - Sitting - Occasionally - Reaching with Hands and Arms - Constantly - Climb or Balance - Frequently - Stooping, Kneeling, Crouching, or Crawling - Occasionally - Talking - Frequently - Hearing - Constantly - Seeing - Constantly - Performing repetitive motions with arms or hands - Constantly - Lifting, carrying, pushing or pulling up to 10 lbs - Constantly - Lifting, carrying, pushing or pulling up to 25 lbs - Frequently - Lifting, carrying, pushing or pulling up to 50 lbs - Frequently - Lifting, carrying, pushing, or pulling greater than 50 lbs - Frequently - Driving - None