Senior Network Engineer

🔥 2 minutes ago

🇺🇸 United States – Remote

💵 $92.3k - $166.8k / year

⏰ Full Time

🟠 Senior

🛜 Network Engineer / Network Administrator

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 0%

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Leidos

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1969

🏥 Healthcare

💼 Consulting

📦 Logistics

Healthcare • Consulting • Logistics

Leidos is a leading systems integrator in science, technology, and engineering, providing solutions that transform and enable the missions of its customers. The company operates across various markets, including aviation, defense, energy, government, healthcare, intelligence, science, and space. Leidos is involved in AI, digital modernization, cyber operations, and integrated and mission software systems. With a commitment to diversity, equity, inclusion, and sustainability, Leidos also engages in charitable efforts and community enrichment programs. Additionally, it contributes to developing solutions for counter-unmanned aerial systems and electric vehicle infrastructure for military applications.

📋 Description

• Serve as a senior technical and escalation resource for complex network engineering and operational issues • Lead planning, design, implementation, and optimization of complex network infrastructure across distributed, multi-vendor environments • Analyze technical challenges and implement corrective actions improving network reliability, performance, and security • Design, configure, maintain, and troubleshoot enterprise routing and switching infrastructure • Engineer and support Cisco Firepower, FMC, ASA, firewall policies, access controls, and security hardening • Design, implement, and sustain site-to-site and remote-access VPN solutions • Engineer hybrid cloud connectivity between on-premises infrastructure and AWS services • Support enterprise wireless networking and network access control technologies including Cisco ISE • Lead infrastructure upgrades, modernization, lifecycle replacements, and security remediation • Evaluate network performance, availability, capacity, and emerging requirements; recommend improvements • Lead complex incident investigations and root cause analysis • Collaborate with customers, program leadership, cybersecurity teams, vendors, and service providers • Develop network architecture documentation, configuration standards, implementation plans, and operational procedures • Support incident, problem, change, and service request management processes • Provide mentorship, peer review, and engineering guidance to junior and mid-level engineers • Identify opportunities for network automation, standardization, and process improvement

🎯 Requirements

• Must have or be able to obtain a Public Trust clearance • Must be a US Citizen • Bachelor's degree in Information Technology, Computer Science, Engineering, or a related technical field with 8+ years of relevant network engineering experience; additional education and experience equivalencies may be considered • Advanced hands-on experience designing, implementing, administering, and troubleshooting complex enterprise network infrastructure in production environments • Expert-level knowledge of BGP, OSPF, VLANs, VRFs, routing redundancy, and network failover • Experience with complex network problem-solving across multiple systems, technologies, or engineering disciplines • Experience with enterprise firewalls, access control policies, and VPN connectivity • Experience with Cisco and/or Juniper enterprise networking platforms • Experience with hybrid cloud connectivity between on-premises infrastructure and AWS • Experience leading complex network troubleshooting, root cause analysis, and corrective actions • Experience planning and executing network changes, upgrades, and security remediation in production environments • Experience developing technical recommendations and collaborating with customers, engineering teams, vendors, and service providers • Experience producing network diagrams, technical documentation, configuration standards, and implementation procedures • Strong communication skills and direct collaboration with customers, vendors, and ISPs • Hands-on experience with Juniper EX/QFX and Junos OS; Cisco ISR and IOS; ASA; Firepower and FMC • Experience with routing/switching protocols and core infrastructure services • Experience managing AWS VPC, Direct Connect, Transit Gateway, and load balancers • Experience with Cisco AnyConnect/Secure Client remote-access VPN • Experience with VMware/vSphere as related to network design and connectivity • Experience with wireless infrastructure and NAC solutions such as Cisco ISE • Experience with Cisco CUCM/UC voice solutions • Able to obtain a baseline 8140 certification (IAT Level II: CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP) within 90 days • Preferred: Cisco CCNA • Preferred: Cisco CCNP or Juniper JNCIP-ENT • Preferred: Cisco Meraki wireless, Cisco ISE, Dell switches and OS10, ServiceNow, and Security+ CE experience/certification