Top Network Engineer Jobs

Leads enterprise network deployment and switch refresh projects across data centers and remote offices. Designs and implements routing, switching, SDA, spine-leaf, VXLAN, and LISP solutions; troubleshoots complex network issues; and develops deployment strategies, documentation, and configurations. Mentors engineers, collaborates with project teams and clients, researches networking technologies, and supports infrastructure modernization.

Designs, deploys, configures, and supports cloud network infrastructure across Azure, OCI, GCP, and AWS. Manages Palo Alto and Cisco firewalls, VPNs, routers, load balancers, subnets, security groups, and network access controls. Performs network monitoring, maintenance, upgrades, capacity planning, troubleshooting, and Level 2/3 support. Uses Terraform for infrastructure automation and supports EKS clusters, cloud security, IAM, STIGs, and vulnerability management. Participates in a required 24/7 on-call rotation.

Designs, implements, operates, and automates Cisco and Arista spine-leaf data center and DMZ networks. Engineers F5 BIG-IP load balancing and security services, develops Python and Ansible automation, and supports routing, switching, segmentation, and resiliency. Responsibilities include implementation planning, testing, change management, Level 3 incident escalation, root cause analysis, audits, documentation, operational handoff, and mentoring junior engineers.

Leads facility communications network engineering for a government R&D site. Responsibilities include designing and integrating tenant connections, managing WAN/LAN circuits and ISP services, troubleshooting outages, conducting performance analysis, overseeing configuration management, supporting classified cybersecurity accreditation, configuring crypto devices, and coordinating tenants, providers, and government stakeholders. The role requires onsite support, technical briefings, documentation, network architecture expertise, and leadership across cross-functional teams.

Leads the design, reliability, support, and continuous improvement of LSEG’s global network infrastructure. Provides fourth-line technical support, makes architecture and engineering decisions, coordinates capacity upgrades, leads network changes, monitors performance, and maintains technical documentation. The role also develops automation and supports software delivery pipelines using Python and Ansible. It requires extensive expertise in routing, switching, data center networking, network security, cloud environments, and low-latency financial-sector technologies.

Configure and sustain Cisco and Arista network infrastructure, provide hands-on support for hardware issues in Texas, and maintain network systems while holding an active TS/SCI clearance with polygraph.

Designs, implements, supports, and documents enterprise and Operational Technology network infrastructure for manufacturing environments. Administers Cisco ISE and NAC services, including authentication, authorization, endpoint profiling, posture policies, and integrations with Active Directory and PKI. Manages network architecture, segmentation, availability, outages, service providers, vendors, circuits, equipment, SLAs, projects, and budgets. Provides on-site troubleshooting and ensures reliable, secure, highly available network operations.

Designs, engineers, deploys, and supports campus and data center networks in an IBM Mainframe environment. Leads routing and switching changes, monitors network performance and security, troubleshoots incidents, plans capacity, introduces automation, and develops scalable, reliable solutions. Provides technical leadership to internal teams, vendors, and contractors; contributes to architecture, documentation, project scoping, process improvements, and major incident resolution.

Provides enterprise WAN network engineering for DLA environments, including network design, configuration, upgrades, STIG compliance, IPv4/IPv6 management, circuit coordination, classified network support, monitoring, testing, troubleshooting, and asset lifecycle management. Requires Tier III support availability, Top Secret clearance, DoD 8570/8140 certification, CCNP Enterprise, CCSE, and travel to DLA sites approximately three times annually.

Senior network engineer responsible for designing, deploying, upgrading, monitoring, securing, and troubleshooting DLA enterprise WAN systems. Duties include IPv4/IPv6 management, STIG compliance, classified network support, circuit coordination, site surveys, network planning, device configuration, technical validation, asset tracking, and Tier III on-call support. Requires travel to DLA sites and coordination with vendors, contractors, and government representatives.

Provides senior network engineering for DLA enterprise WAN environments, including network design, configuration, upgrades, STIG compliance, IPv4/IPv6 address management, circuit coordination, classified network support, Tier III troubleshooting, monitoring, testing, and technical planning. Supports IOEE and IOSEE systems, conducts site surveys, tracks network assets, coordinates with vendors and government representatives, and provides 24/7 on-call support. Travel to DLA sites is required approximately three times annually.

Designs, architects, deploys, and supports enterprise campus and data center networks in an IBM Mainframe environment. Responsibilities include routing and switching, network security and performance monitoring, capacity planning, automation, troubleshooting, incident escalation, documentation, lifecycle support, and compliance with corporate security policies. Provides technical leadership to engineering teams, vendors, and contractors; mentors staff; collaborates across IT disciplines; and recommends scalable solutions aligned with architectural and business objectives.

Designs, maintains, monitors, and secures LAN, WAN, VPN, cloud, and bare-metal network infrastructure supporting mission-critical classified and unclassified environments. Responsibilities include troubleshooting complex network issues, implementing upgrades, conducting site surveys, documenting configurations, ensuring regulatory compliance, evaluating emerging technologies, and providing escalation support. The role requires onsite work in Sterling, Virginia and collaboration with internal teams, service providers, and customers.

Operates, secures, and improves highly available networks and infrastructure. Responsibilities include monitoring VPN, wireless, routing, switching, load balancing, and network security systems; troubleshooting incidents; performing maintenance, patching, capacity planning, documentation, and production support; coordinating with vendors and project teams; and recommending network upgrades and process improvements.

Maintains and improves secure, highly available networks and infrastructure, including VPN, wireless, load balancing, routing, switching, monitoring, backups, patching, and capacity planning. Provides Level 3 production support, troubleshoots incidents, manages changes, documents systems, supports projects, and collaborates with stakeholders, engineers, vendors, and customers. The role requires periodic on-call support and approximately 15% travel.

Supports production network environments and on-call operations. Requires knowledge of wireless networking and network protocols including BGP, OSPF, IS-IS, TCP/IP, Spanning Tree, and MPLS. Candidates should hold JNCIA or CCNA certification, have 5+ years of computer-related experience, and preferably possess a bachelor’s degree in computer science or a related engineering field.

Senior Network Engineer supporting NRO mission operations by configuring and troubleshooting network infrastructure, routing, firewalls, switches, servers, and operating systems. The role includes network design and deployment, system monitoring, testing and validation, technical briefings, requirements development, vendor engagement, and potential field equipment deployment. Candidates must have deep networking expertise, Linux and Windows experience, strong communication skills, and an active TS/SCI clearance with CI polygraph.

Leads full-stack software engineering projects and developer teams building distributed microservices and cloud-based systems. Develops robust solutions using modern programming languages, databases, containers, and AWS services. Provides technical leadership across Agile teams, establishes engineering standards, mentors developers, partners with architects and product managers, reduces technical debt, improves system performance, and influences long-term technology strategy.

Supports, designs, implements, and maintains enterprise network infrastructure across LAN, WAN, wireless, VPN, firewall, load-balancing, VoIP, and related technologies. Troubleshoots network and circuit issues, leads infrastructure upgrades and facility relocations, designs Cisco firewall and F5 load-balancer solutions, supports new applications, mentors engineers, and participates in on-call operations.

Serves as the technical escalation point for network and voice issues while reducing escalations through skills assessments, training, onboarding, certifications, knowledge-base management, and RACI frameworks. Owns technical standards documentation for assigned hospitality brand partners across network, voice, video, and property technology. Manages recurring brand cadence meetings, coordinates internal participation, documents decisions and standards changes, and communicates updates across teams. Requires extensive network and voice experience, strong documentation and presentation skills, and up to 10% travel.

Designs, deploys, operates, and secures Denali’s enterprise Cisco network, including routing, switching, wireless, firewalls, VPNs, access control, and remote-site infrastructure. Supports customer-hosted equipment, troubleshoots complex incidents, performs root cause analysis, documents network environments, coordinates upgrades, evaluates technologies, and mentors junior staff. The role participates in on-call support and requires expert Cisco ISE, Umbrella, Firepower, wireless, and enterprise network architecture experience.

Designs, operates, and secures Denali’s enterprise Cisco network and remote-site infrastructure. Responsibilities include routing, switching, wireless, firewalls, VPNs, network access control, Cisco ISE, Umbrella, and Firepower administration. The role handles complex incident escalation, root cause analysis, Wi-Fi remediation, customer-hosted infrastructure, documentation, network changes, technology evaluation, mentoring, and on-call support.

Leads architecture, integration, validation, qualification, and deployment of optical networking infrastructure for hyperscale AI systems. Defines networking requirements, integrates switches, NICs, PHYs, optics, cables, and SerDes, and drives performance, reliability, telemetry, automation, and root-cause analysis. Partners with silicon, software, firmware, datacenter, manufacturing, ODM, and supplier teams to deliver optical products from concept through production at cloud scale.

Supports the design, deployment, testing, sustainment, and fielding of enterprise and tactical Marine Corps networks. Responsibilities include Cisco SD-WAN operations, network troubleshooting, site surveys, equipment installation, interpreting engineering plans, and supporting CONUS and OCONUS deployments. The role requires an active Secret clearance, CCNA certification, extensive technical experience, and travel of 25% to 35%.

Supports the design, implementation, maintenance, security, monitoring, and troubleshooting of enterprise network infrastructure across corporate and manufacturing locations. Configures routing, switching, wireless, VPN, security, and access-control solutions; participates in network projects, changes, vulnerability remediation, and incident response; documents issues and solutions; automates routine tasks; and collaborates with infrastructure, security, business teams, and vendors. The role includes on-call support, after-hours maintenance, and travel to company locations as needed.