Network Security Engineer

Springfield, VA, US • Posted 5 hours ago • Updated 5 hours ago

Full Time

On-site

SAIC

Fitment

Dice Job Match Score™

🎯 Assessing qualifications...

Job Details

Skills

Enterprise Architecture
Servers
Firewall
Virtual Private Network
Network Security
Cryptography
Algorithms
Management
IPsec
Network Layer
Performance Tuning
Network
Computer Networking
Switches
Routing
Border Gateway Protocol
OSPF
OSI Model
Data Link Layer
MSS
Encryption
Regulatory Compliance
FIPS
Finance
Computer Hardware
Security Clearance
DOS
IT Security
Policies and Procedures
Collaboration
Communications Security
Information Technology
Systems Engineering
FOCUS

Summary

Job ID: 2610162

Location: Springfield, VA, US

Date Posted: 2026-03-11

Category: Information Technology

Subcategory: Network Engineer

Schedule: Full-Time

Shift: Day Job

Travel: No

Minimum Clearance Required: Top_Secret

Clearance Level Must Be Able to Obtain: TS/SCI

Potential for Remote Work: ORA_ON_SITE

Description

SAIC currently has an opening for a Network Security Engineer to support the Department of State (DoS) Bureau of Diplomatic Technology (DT). DT provides enterprise architecture design, engineering, operations and maintenance support services for desktops, servers, networks, firewalls, and enterprise applications across the Department.

The network security engineer is a specialized network security professional focused on protecting data as it moves across untrusted or public networks. This role sits at the intersection of high-speed networking and heavy-duty cryptography, ensuring that data is encrypted at the hardware level (Layer 2 or Layer 3) without sacrificing network performance.

Description of Duties:

Develop next-generation VPN technology focused on identity-centric, high-performance, and quantum-resistant architectures.
Network Security Deployment: Design, configure, and install next generation network security devices.
Develop Zero Trust Network Access solutions focusing on granular access, continuous verification, and reduced attack surface.
Develop network solutions utilizing performance optimized protocols to reduce latency over the wire.
Develop Post Quantum Cryptography solutions that integrate quantum resistant algorithms.
Tunnel Management: Designing and maintaining secure site-to-site tunnels using protocols like MACsec (Layer 2) or IPsec (Layer 3) to protect data in transit.
Latency & Performance Tuning: Monitoring network throughput to ensure that encryption overhead doesn't cause bottlenecks, especially in high-frequency connections.
Troubleshooting: Diagnosing "silent" failures where encryption synchronization drops, causing packet loss or network outages.

Qualifications

Required Experience/Skills/Attributes:

Bachelors and nine (9) years or more experience; Masters and seven (7) years or more experience ; may accept additional experience in lieu of degree.
Networking Fundamentals: Expert-level knowledge of switching and routing (BGP, OSPF) and the OSI model, specifically focused on Layer 2 (Data Link) security.
Encryption Standards: Deep understanding of AES-256, GCM (Galois/Counter Mode), Post Quantum Encryption and the impact of MTU/MSS fragmentation caused by encryption headers.
Security Compliance: Familiarity with FIPS 140-2/3 and Common Criteria requirements for government or financial-grade hardware.

Clearance Requirement:

ship.
TOP SECRET (Active) / SCI (Eligibility).

Desired Experience/Skills/Attributes:

Familiarity with DoS environment (data and voice networks, IT security systems, policies and procedures), Foreign Affairs Handbooks (FAHs), Foreign Affairs Manuals (FAMs) preferred.
Interpersonal skills include the ability to collaborate effectively, self-awareness, and excellent written and oral communications.
Previous COMSEC experience.

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 10111346
Position Id: 2610162
Posted 5 hours ago

Company Info

About SAIC

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 include 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 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

Go to company profile

Create job alert

Never miss an opportunity! Create an alert based on the job you applied for.

Similar Jobs

Network Security Operations Manager

Springfield, Virginia

•

Today

Job ID: 2610164 Location: Springfield, VA, US Date Posted: 2026-03-11 Category: Information Technology Subcategory: Network Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Top_Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC has an opening for a Network Security Operations Manager to support a Department of State (DoS) Diplomatic Technology (DT) Bureau. DT provides enterp

Full-time

Security Engineer

Springfield, Virginia

•

Today

Job ID: 2610143 Location: Springfield, VA, US Date Posted: 2026-03-11 Category: Information Technology Subcategory: Network Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description ?SAIC currently has an opening for a Security Engineer to support the Department of State (DoS) Bureau of Diplomatic Technology. DT provides enterprise architecture design, engine

Full-time

Network Monitoring Tools Engineer

Springfield, Virginia

•

Today

Job ID: T2600958 Location: Springfield, VA, US Date Posted: 2026-03-05 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: ORA_HYBRID Description ? The well qualified candidate will possess and apply comprehensive knowledge regarding the engineering and implementation of network monitoring and management systems, netw

Full-time

IT Security Policy Analyst

Springfield, Virginia

•

Today

Job ID: 2610165 Location: Springfield, VA, US Date Posted: 2026-03-11 Category: Cyber Subcategory: Cyber GRC Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: Top_Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC has an opening for an IT Security Policy Analyst to support a Department of State (DoS) Diplomatic Technology (DT) Bureau. DT provides enterprise architecture design, engineering, operations a

Full-time

Search all similar jobs