Network Engineer

Leidos is looking to fill a Network Engineer position to support the National Digital Exploitation & OSINT Center (NDOC). The Network Engineer supports the planning, coordination, and execution of major computer network initiatives., * Design, implement, and maintain highly available, scalable, and secure data center and enterprise network architectures, including spine-leaf topologies, virtualized environments, and fabric networks.

• Plan, integrate, and sustain LAN/WAN infrastructure with seamless connectivity between on-premises systems, cloud environments, and external mission networks.
• Configure and maintain Cisco ACI, routers, switches, firewalls, and load balancers in support of mission-critical operations.
• Manage connectivity and performance across servers, storage, hypervisors, and data center interconnects to ensure optimal network throughput and reliability.
• Utilize network monitoring and ITSM tools such as ServiceNow, SolarWinds, NetBox, and PRTG to track network health, availability, and incident resolution metrics.
• Lead troubleshooting and incident resolution for complex network and data center issues, including root cause analysis and recovery planning.
• Develop and execute contingency and continuity plans to ensure network resilience and minimal downtime during outages or maintenance events.
• Oversee network cabling standards, patch management, and structured wiring practices to support consistent data center operations.
• Implement network segmentation, performance tuning, and latency optimization strategies across physical and virtual environments.
• Coordinate closely with IT, Systems Engineering, Cybersecurity, and Application teams to support cross-functional projects and ensure network compliance with security and mission requirements.
• Manage and assign work through ServiceNow ITSM, ensuring incidents and change requests are properly documented and resolved within SLA.
• Provide status reports, incident summaries, and performance metrics to program and executive leadership.
• Lead or support network modernization and data center consolidation initiatives, ensuring projects meet technical, budgetary, and schedule requirements.
• Evaluate and recommend emerging network technologies that improve data center efficiency, scalability, and cybersecurity posture.
• Supervise and mentor network engineers and technicians, providing technical leadership and professional development.
• Assist leadership with planning schedules and ensure proper personnel coverage for support activities.
• Responsible for evaluating resumes for vacancies and serving as a key component during candidate interviews.
• Manage work performance for subordinates, provide periodic feedback, and document performance against employee's goals and corporate guidelines.
• Review and approve timesheets for assigned subordinates in compliance with corporate standards.
• Maintain flexibility to provide after-hours or on-call support in the event of critical outages., All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Related Jobs Network Engineer Leidos Columbia, MD*On-Site Junos DevOps Firewall Equities Scheduling Operations Automation Purchasing Upskilling Encryption Market Data End Systems Coordinating Cryptography ISO/IEC 15288 Load Balancing Key Management Network Routing ISO 9000 Series Traffic Shaping Ancient History Computer Science Security Systems Network Diagrams Analytical Method Program Management Telecommunications Wide Area Networks Data Center Design Collection Systems Systems Engineering Networking Hardware Local Area Networks Network Engineering Time Off Management Security Engineering Engineering Analysis Signals Intelligence Design Specifications Business Requirements Information Assurance Engineering Management IAT Level I Certification Computer Network Operations Juniper Network Technologies Virtual Private Networks (VPN) Cisco Certified Network Associate Internet Protocol Security (IP SEC) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0

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• Hands-on experience with Cisco ACI, Nexus, and Catalyst platforms, including configuration, monitoring, and troubleshooting.
• Strong understanding of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, and multicast protocols.
• Proficiency with network monitoring and ITSM tools such as ServiceNow, SolarWinds, and NetBox.
• In-depth knowledge of network security principles, including firewall rules, ACLs, VPNs, and secure remote access.
• Familiarity with network asset lifecycle management, capacity planning, and hardware procurement processes.
• Experience leading teams and managing performance under shifting operational priorities.
• Excellent written and verbal communication skills, with the ability to brief senior leadership and government stakeholders.
• Candidate must meet DoD 8140/8570.11- IAT Level II certification requirements (Security+ CE, CCNA Security, GSEC, or SSCP) with a valid Computing Environment (CE) certification.

Clearance:

• Due to the nature of the government contracts we support, US Citizenship is required.
• TS/SCI with Poly required for Position or TS/SCI and willingness to get a poly.

Education:

• Requires a Bachelor's degree and 8+ years of relevant experience. Additional years of relevant experience may be considered in lieu of a degree

Preferred Qualifications:

• Active Cisco Certified Network Associate (CCNA) certification
• CCNP or CCIE certification

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares., IPv6 IPv4 Junos Planning Firewall Equities Hardening Leadership Management SolarWinds Market Data Communication Data Analysis IP Addressing Proxy Servers Drawing Tools Provider Model Microsoft Visio Network Routing Ancient History Cisco Networking Network Security Secret Clearance Complex Networks Cisco DNA Center CompTIA Security+ Network Migration Wide Area Networks Local Area Networks Network Engineering Microsoft PowerPoint Technical Leadership Atlassian Confluence IT Service Management, IT Capacity Management Network Infrastructure Wireless Communications Software Design Patterns Balancing (Ledger/Billing) IAT Level II Certification Verbal Communication Skills Juniper Network Technologies Brocade Network Technologies Security Requirements Analysis Virtual Private Networks (VPN) Network Quality Of Service (QoS) Troubleshooting (Problem Solving) Transmission Control Protocol (TCP) Internet Protocol Security (IP SEC) Aruba (Network Management Software) Cisco Certified Network Professional Advanced Cardiovascular Life Support (ACLS) Certification +0, Dashboard Operations Governance Scalability Reliability Market Data Cisco WebEx RACI Matrix Packet Loss Wireless LAN Communication Change Control Load Balancing Network Routing Network Control Ancient History Cisco Networking Incident Response Computer Networks Telecommunications Problem Management Wide Area Networks Root Cause Analysis Process Improvement Local Area Networks Network Engineering Performance Analysis CompTIA Certification Operational Reporting Performance Management Operational Efficiency Unified Communications Change Control Process Continuous Improvement Process Virtual Private Networks (VPN) Network Performance Management Cisco Certified Network Associate Network Configuration And Change Management

This is a 100% on-site position. All work must be performed at the customer site in Bethesda at the Intelligence Community Campus., Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .