• Lead design and implementation of ZTNA solutions (Zscaler ZPA/ZIA, ZVPN) to replace legacy VPN technologies • On call required rotation • Define and deliver modern Zero Trust architecture patterns, including application-level segmentation and identity-based access • Drive legacy VPN decommissioning and migration to ZTNA platforms • Develop and execute engineering roadmaps aligned to enterprise remote access strategy • Partner with security, infrastructure, and business units to ensure coordinated rollout and adoption • Document architecture, operational models, and implementation standards • Evaluate emerging ZTNA and secure access technologies and provide data-driven recommendations • Lead pilots and phased deployments, including testing, validation, and performance benchmarking • Act as a Tier-3 escalation lead for complex remote access and connectivity issues • Ensure high availability and resilience of remote access infrastructure in a 24x7 global environment • Assess and mitigate risks related to latency, scale, and user experience during migrations

• Responsible for designing, implementing, and supporting large-scale data center and backbone network infrastructure, with a focus on switching, routing, and data center design. • Design, implement, and support data center and backbone network infrastructure, including spine-and-leaf topologies, advanced routing protocols (BGP, OSPF, EVPN, VXLAN, MPLS, EIGRP), and high-availability architectures. • Architect and document LAN/WAN connectivity, inter–data center peering, cross- connects, and backbone integration to support scalable cloud and enterprise environments. • Create data center layouts and infrastructure designs using AutoCAD. • Maintain detailed drawings, rack elevations, logical/physical diagrams, and cable matrices using AutoCAD and Visio. • Manage white space design, including rack layouts, structured cabling, hot/cold aisle containment, branch circuit distribution, power pathways, and airflow optimization. • Conduct capacity planning, traffic engineering, and scalability analysis to optimize network performance and support future growth. • Deploy, configure, and troubleshoot switches, routers, and firewalls across multi-vendor platforms (Cisco, Juniper, Arista, Palo Alto, Aruba). • Collaborate with colocation providers, facilities teams, and internal stakeholders to define technical requirements and deliver compliant infrastructure designs. • Research and evaluate emerging networking, optical transport, and structured cabling technologies, contributing to global data center and network infrastructure standards. • Coordinate and evaluate vendor RFI/RFP/RFQ submissions for networking hardware, cabling solutions, and infrastructure services. • Provide technical leadership and mentorship to junior engineers, ensuring best practices in network design, deployment, and documentation. • Travel to data center and POP sites to perform network assessments, audits, migrations, and engineering validation for new builds and expansions. • Lead the review, development, and maintenance of comprehensive data center and network documentation. • Work with stakeholders and cross- functional teams on projects and initiatives to develop low-level design documents and automation workflows to improve deployment efficiency. • Perform other related duties as required.

Role Description We're looking for a Senior Network Engineer to own and evolve our enterprise network across multi-site and cloud environments. You'll be a key technical voice shaping infrastructure strategy, driving security posture through zero-trust principles, and ensuring high availability for business-critical systems — all while working remotely on a collaborative, senior-level team. Key Responsibilities - Design & Architecture - Architect scalable, resilient network solutions including routing/switching, SD-WAN, firewalls, VPN, QoS, and zero-trust segmentation. - Define requirements, evaluate technologies, and lead infrastructure changes from design through implementation. - Develop and maintain business continuity and disaster recovery plans for all network components. - Operations & Maintenance - Perform proactive maintenance — patching, upgrades, tuning, and health monitoring across the networking estate. - Manage vulnerability findings and vendor security advisories for network equipment and systems. - Maintain accurate network documentation, configuration baselines, and topology diagrams. - Own and resolve network-related incidents and service requests, driving issues to resolution. - Collaboration & Strategy - Partner with security, infrastructure, and application teams to support firm-wide initiatives. - Evaluate emerging technologies and translate their impact into actionable recommendations. - Serve as a technical mentor and backup resource across the Network Engineering team. - Communicate clearly with technical and non-technical stakeholders at all levels. Qualifications - 10+ years of hands-on network engineering experience across multi-site enterprise environments. - Bachelor's degree in Computer Science, Information Technology, or a related field — or equivalent professional experience. - Palo Alto Firewalls - Production deployment, policy management, and troubleshooting of Palo Alto NGFW (Panorama experience a strong plus). - Cisco ACI - Hands-on experience with Nexus 9300/9000 series in ACI mode — fabric design, EPG/contract configuration, and troubleshooting. - Proven ability to architect, implement, and troubleshoot complex, multi-vendor network infrastructure. - Strong documentation habits — you leave networks better documented than you found them. - Ability to translate ambiguous business requirements into clear, implementable technical designs. - Excellent communication skills — comfortable presenting to both engineers and executives. - Strong project management instincts with the ability to juggle multiple workstreams independently. - A collaborative, team-first mentality balanced with the ability to drive work autonomously. Requirements - Deep expertise in enterprise routing protocols (OSPF, BGP) and switching (VLANs, port channels, spanning tree, QoS) across multi-site environments. - Cisco certification at the professional or expert level (CCNP, CCDP, or CCIE) strongly preferred. - Experience in professional services, financial services, or legal industry environments. - Familiarity with network automation tooling (Ansible, Python/Netmiko, Terraform for network infra). - Experience with public cloud networking (AWS, Azure) and hybrid connectivity patterns. - Exposure to Panorama for centralized Palo Alto management at scale. Benefits - Outstanding benefits package, including 401k match and generous PTO plan. - Ample opportunities for professional development and advancement. - Access to corporate discount plans and other benefits.

Role Description Optum is a global organization that delivers care, aided by technology, to help millions of people live healthier lives. You will enjoy the flexibility to telecommute* from anywhere within the U.S. as you take on some tough challenges. - Implement, administer, and troubleshoot network infrastructure devices, including wireless access points, firewall, routers, switches, load balancers. - Knowledge of application transport and network infrastructure protocols. - Assist in research and evaluations of new products and process improvements within IT. - Assist in the implementation and enforcement of security procedures to ensure the Company’s data is secure and accessed by only those that need access to it. - Maintain documentation in relation to network configuration, mapping, processes, and service records. - Assist in the evaluation of network performance, identifying bottlenecks, and finding ways of improvement, to ensure long-term efficiency of the network. - Assist in developing test plans that include functionality, system integrity, test matrixes, strategy, and definition of test methodologies. - Create test platforms, including evaluation of test equipment, and testing of proposed network equipment, network protocols and new production applications. - Assist in designing, testing and deploying network and security architectures, including LAN-to-LAN, LAN-to-WAN, and WAN-to-WAN. - Work closely with IT staff to identify opportunities for automation within network operations. - Ensure compliance with security policies and practices in network automation scripts and tools. - Assist in the architectural design of existing and new infrastructure implementations. - Participate in problem management and root cause analysis. - Follow all escalation procedures according to service level agreement. - Provide an accurate record of work in request / incident management tracking tools. - Assist in the coordination and troubleshooting of system problems; document system events to ensure continuous functioning. Recommend course of action and implementations as approved. - Utilize Change Control process when scheduling maintenance for Optum Serve’s environments. - Maintain system inventory through centralized management database and tools. - Respond to and resolve technology escalation requests. - Assess risks when making changes to managed systems within the IT environments. - Participate in 24x7 On-Call rotation. - All other tasks as assigned. Qualifications - HS Diploma required. - 4+ years of hands-on experience working in a network environment/network administration with 24/7 mission critical systems. - 4 years’ experience with strong troubleshooting and analytical skills along with good interpersonal communication skills and the ability to work independently to meet required deadlines. - Ability to work off-hours as job tasks required. - United States citizenship is required for this position. - Must be able to obtain and maintain a suitability or determination of eligibility for a Confidential/Secret or Top-Secret security clearance. Requirements - Strong interpersonal skills include the ability to present, persuade and provide professional presentation materials to both large and small groups. - Excellent teamwork skills and demonstrated ability to work independently. - Organizational skills, project, and time management, and follow-through and attention to detail. - An equivalent combination of education, experience and/or applicable military experience will be considered. - Experience with LAN, WAN, Cisco, NetScaler, Palo Alto, IPsec VPN, Forescout, and Algosec. - Experience with change management processes, documentation procedures, and the ITIL framework. - CCNP. - Experience with network design & optimization, business technology infrastructure strategic planning, projects management and policy development. - Working experience with Azure. - Working experience and knowledge of Infrastructure as Code. - ITIL or other ITSM framework certification. - DOD/VA/Military Experience. - DOD/VA/Military Clearances. - National Career Readiness Certificate. Benefits - Comprehensive benefits package. - Incentive and recognition programs. - Equity stock purchase. - 401k contribution (all benefits are subject to eligibility requirements). Application Deadline 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.