Cisco SD-WAN Engineer with Security Clearance

R-00190415 Description We have an IMMEDIATE NEED for a Cisco SD-WAN Engineer to provide technical support for the design, deployment and maintenance of SD-WAN solutions within an enterprise environment. As a Cisco SD-WAN Engineer, you will be a part of a team that interacts with both technical and non-technical stakeholders, including customers and vendors. You will be a subject matter expert (SME) in Cisco SD-WAN technologies, ensuring optimal performance, security, and scalability of WAN infrastructure across multiple environments (DEV/TEST and Production). In this role, you will provide technical assistance, administer configurations, support testing, recommend enhancements, and troubleshoot issues related to Cisco Catalyst SD-WAN infrastructure.

Responsibilities

• Design, configure, deploy and manage Cisco SD-WAN solutions (Cisco Catalyst SD-WAN formerly known as Viptela or Meraki)
• Work closely with DRSN engineers and site personnel for coordinating deployments and maintenance actions.
• Evaluate system network requirements and make appropriate technical recommendations.
• Provide expertise in SD-WAN overlay/underlay networking, including BGP, OSPF, IPSec tunnels, and application-aware routing.
• Implement and maintain Cisco Catalyst SD-WAN Manager/vManage, Cisco Catalyst SD-WAN Controller/vSmart, Cisco Catalyst SD-WAN Validator/vBond, and Edge routers.
• Configure and manage Quality of Service (QoS), security policies, and segmentation within the SD-WAN fabric.
• Assist IA personnel regard network security and compliance requirements.
• Perform installation, testing, and validation of network components both remotely and on-site.
• Monitor network performance, troubleshoot SD-WAN related issues, and optimize WAN connectivity.
• Document network architecture, configurations, and best practices.
• Support deployments, upgrades, and migrations as required.

Required Skills

• Bachelor's degree and 12+ years of overall related experience or Master with 10+ years. Specific experience, education and training may be considered in lieu of degree.
• Experience in remotely configuring networking or transport devices.
• Strong experience with Cisco SD-WAN (Cisco Catalyst SD-WAN/Viptela or Meraki)
• Expertise in routing protocols (BGP,OSPF,EIGRP) and WAN technologies.
• Ability to interpret network topology diagrams and implement configuration changes.
• Experience in in-band and out-of-band network management.
• Strong knowledge of VPN, IPSec, and on-premises deployment of SD-WAN Infrastructure.
• Security+ Certification.
• Must possess an active Top Secret with SCI eligibility clearance.
• Must possess current DoD 8570 certification at IAT level II (Security+CE)
• Proficiency with Cisco IOS-XE, vManage, and Network automation tools.
• Basic Linux Administration or command line interface (CLI) experience.

Desired Skills

• Cisco CCNP Enterprise or CCNP Security certification.
• Experience managing configuration using Cisco DNA Center, Cisco Catalyst SD-WAN Manager
• Hands-on experience with SD-WAN policy-based routing, traffic engineering, and performance monitoring.
• Experience in network security protocols, TLS, PKI, and Zero Trust models.
• Proficiency with network management tools such as SolarWinds or Splunk.
• Proficiency in at least two or more of the following devices: Cisco Catalyst 8300, Cisco Catalyst 8500, Cisco 1000 ISRs, General Dynamic KG175
• Proficiency in at least one of the following tools:  SolarWinds or Junos Space
• JNCIA or JNCIP
• Proficiency with RADIUS, SNMP, and NTP protocols
• General knowledge of TLS and PKI

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: August 24, 2026 For U.S.

Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range: Pay Range $116,350.00 - $210,325.00 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.

About Leidos 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 . Pay and Benefits 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.

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