The Digital Modernization Sector at Leidos is seeking a Sr. Network Design Engineer to perform network engineering, design, analysis and installation. This position will provide support for the customers computer data communications network systems by providing engineering specifications, modifications and inspections for computer networks to include planning and implementing upgrades as well as analyzing and organizing corresponding hardware and software to design combined engineering solutions through network modeling.

Primary Responsibilities:

• The Tier 2 network field technician will support the installation and maintenance of the client LAN/WAN devices.
• Respond to and resolve incident tickets
• Draft and implement standard network change requests
• Provide support to Tier III network engineers for incident management and projects (site surveys, Technical Exchange Meetings (TEMs), and coordinate and install new equipment)
• Perform configuration management functions such as update topology drawings, ensure asset management records are accurate, and conduct inventory
• Coordinate network operations, maintenance, repairs, or upgrades.
• Configure and troubleshoot layer 2 switching (Virtual Local Area Networks (VLANs), Port Security, and Thin Configurations)

Basic Qualifications

• Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2.
• Working knowledge of basic routing fundamentals
• Working knowledge of layer 2 switching concepts
• Knowledge of CISCO/Juniper Return Material Authorization (RMA) processes
• Layer 1 and Layer 2 network experience (CAT5, Single Mode (SM)/Multimode (MM) Fiber, Serial cables, Small Form-factor Pluggable (SFP)
• Knowledge of Transmission Control Protocol/Internet Protocol (TCP/IP) and Open Systems Interconnection (OSI) models
• Knowledge of Cisco Internetworking Operating System (IOS), Juniper JUNOS, and the Brocade and Foundry Operating System (OS)
• Familiarity (doesn’t need to be a SME) with Layer 3 protocols such as Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), Virtual Router Redundancy Protocol (VRRP), Hot Standby Router Protocol (HSRP), Multiprotocol label switching (MPLS), Language Server Protocol (LSP), and Generic Routing Encapsulation (GRE) 
• Familiarity with Microsoft Visio, ServiceNow, and Atlassian Confluence
• Working knowledge of Service Now or similar IT Service Management (ITSM) products
• Up to 25% travel 
• Active TS/SCI with Polygraph 
• Security+ Certification
• Requires a Bachelors degree and minimum 8- 12 years of prior relevant experience or a Masters degree with 4-6 years of prior relevant experience.

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.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.