Network Engineer

Science Applications International Corp

Springfield, VA

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JOB DETAILS

SKILLS

Amazon Web Services (AWS), Best Practices, Cisco Catalyst Switches, Cisco Certifications, Cisco Network Hardware, Cisco Nexus Switches, Cloud Computing, Commercial Off-the-Shelf (COTS), Communications Security (COMSEC), Consulting, Customer Support/Service, Data Analysis, Data Science, Data Visualization, Database Administration, Design Document, Design Evaluation, Documentation, Emerging Technology, Establish Priorities, Fiber Optic Cable, Foreign Policy, Fortune 500 Customers, Geospatial Intelligence (GEOINT), Government Off-the Shelf (GOTS), HP OpenView, Hardware Components, Human-Computer Interaction, Identify Issues, Information Technology & Information Systems, Local Area Network (LAN), Microsoft Visio, Microsoft Windows Azure, Nagios Monitoring Tool, Network Administration/Management, Network Architecture/Engineering, Network Management Software, Network Monitoring, Network Operations Center, Network Performance/Analysis, Network Protocols, Network Routers, Network Security, Network Support, Network Switching, On Call, Operating Systems, Operational Support, Performance Analysis, Performance Tuning/Optimization, Problem Solving Skills, Professional Services, Project/Program Management, Protocol Stack, QoS (Quality of Service), Red Hat Linux Operating System, Risk Management, Routing Protocols, SQL Databases, Secret Clearance, Software Administration, Software Development, Systems Administration/Management, TCP (Transmission Control Protocol), Technical Consulting, Technical Leadership, Technical Operations, Technical Support, Test Tools, Top Secret Clearance, United States Citizen, Validation Testing, Web Design, Wide Area Network (WAN), Work From Home

LOCATION

Springfield, VA

POSTED

30+ days ago

SAIC - Network Engineer in Springfield, Virginia, United States

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Network Engineer

Job ID: 2612489

Location: Springfield, VA, United States

Date Posted: May 12, 2026

Category: Information Technology

Subcategory: Network Engineer

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: Secret

Clearance Level Must Be Able to Obtain: Top Secret

Potential for Remote Work: Hybrid

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Job Description

Description

This is an opening for a Senior Network Engineer to support the Department of States (DoS) Diplomatic Technology Operations Division. This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying out U.S. foreign policy missions worldwide. The Operations Division provides enterprise operations and maintenance support worldwide. SAICs program is named "Vanguard" and is an IT consolidation consisting of the Department''s data center, cloud, domestic and foreign network switch, routers and WAN devices.

Currently, the role is 3 days onsite and 2 days remote in Springfield, VA or Beltsville, MD. Typically M-F 0830-1700. (Hour''s dependent on mission priorities to include potential on-call).

Description of Duties:

Evaluates, designs, documents, implements, validation testing, and performs problem isolation and resolution, and performance monitoring, tunes, sets standards and maintains a range of network components and systems within the LAN/WAN environments at DoS posts and offices.
Performs these functions across using COTS and GOTS tools to test/validate physical media, Operating Systems, TCP protocol stacks, routing protocols, routed protocols and network hardware components primarily on Cisco devices.
Provides client consulting, and training on the best practices and use of the DoS networks, tools, and architectures.
Uses monitoring, performance analysis systems, network management software, and hardware management software to troubleshoot and isolate problems, gauge WAN and LAN performance and activity.
Devises solutions to operational problems within the capacity and operational limitations of installed equipment.
Provides internal consulting, technical guidance, information and support to other team within DoS such as: application developers, tools developers, management, and inter-division stake holders.

Qualifications

Required Education & Experience:

Bachelors and 14+ years experience; may accept additional SD-WAN experience in lieu of degree.
Active certifications preferred: Cisco Certified Specialist Enterprise SD-WAN Implementation.
Network Technology Expertise:
Understanding SD-WAN Architecture: Familiarity with SD-WAN components such as controllers, edge devices, and overlay networks.
Routing Protocols: Proficiency in dynamic routing protocols like BGP, OSPF, and EIGRP.
Traffic Engineering: Knowledge of application-aware routing, path selection, and traffic prioritization.
Overlay and Underlay Networks: Ability to differentiate and manage overlay (logical) and underlay (physical) networks.
WAN Optimization: Skills in optimizing bandwidth usage and improving application performance.
QoS (Quality of Service): Ability to configure and manage QoS policies for traffic prioritization.
Network Security: knowledge of best practices using secure tunneling and device hardening and risk management.
Expert experience in one or more of the following: Cisco Nexus, Cisco Catalyst, Cisco ISR/ASR routers troubleshooting.
Cloud Integration:
Cloud Networking: Experience with integrating SD-WAN solutions with cloud platforms like AWS, Azure, and Google Cloud.
SaaS Optimization: Skills in optimizing SaaS applications (e.g., Office 365, Salesforce) over SD-WAN.
Soft Skills:
Communication: Ability to explain technical concepts to non-technical stakeholders and team members.
Problem-Solving: Strong analytical skills to resolve complex network issues.
Project Management: Experience in managing SD-WAN deployment projects.
Writing and Documentation: Able to revise current work instructions or design documents and produce Visio drawing for infrastructure.
Customer service focused.
Knowledge of cabling standards, fiber optic and copper cable termination.
Experienced with network monitoring devices such as HP Openview, Nagios, Zenoss, NeuralStar or other similar monitoring tools.

Required Clearance:

US Citizenship.
Active secret clearance with the ability to obtain a top secret clearance.

Overview

SAIC accepts applications on an ongoing basis and there is no deadline.

SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.

We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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