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Principal Cyber Engineer

MANTECH

Chantilly, Virginia • Today

Full-time

Principal Cyber Engineer

Leonardo DRS

Germantown, Maryland • Today

Full-time

USD 150,452.00 - 203,111.00 per year

Principal Cyber Mobile CNO Engineer

Nightwing

Sterling, Virginia • Today

Full-time

USD 99,000.00 - 206,000.00 per year

Senior Principal Cyber Mobile CNO Engineer

Nightwing

Sterling, Virginia • Today

Full-time

USD 122,000.00 - 253,000.00 per year

Principal Cyber Operations Engineer

The MITRE Corporation

McLean, Virginia • Today

Full-time

USD 172,800.00 - 216,000.00 per year

Senior Principal Cyber Support Developer

MANTECH

Chantilly, Virginia • Today

Full-time

DevSecOps Engineer Principal - Cyber

SAIC

Arlington, Virginia • Today

Full-time

USD 160,001.00 - 200,000.00 per year

Principal Digital Electrical Engineer

Thales Communications, Inc

Germantown, Maryland • Today

Full-time

USD 156,160.00 - 199,525.00 per year

Principal FPGA Engineer

Thales Communications, Inc

Clarksburg, Maryland • Today

Full-time

USD 164,452.00 - 210,133.00 per year

Principal Software Engineer

Leidos

Laurel, Maryland • Today

Full-time

USD 154,050.00 - 278,475.00 per year

Principal Cybersecurity Engineer

Leidos

Adelphi, Maryland • Today

Full-time

USD 131,300.00 - 237,350.00 per year

Cybersecurity Engineer Sr Principal

General Dynamics

McLean, Virginia • Today

Full-time

USD 170,000.00 - 230,000.00 per year

Principal Software Engineer

Apogee Research

Arlington, Virginia • Today

Full-time

Principal Algorithm & Signal Processing Engineer

STR

Arlington, Virginia • Today

Full-time

USD 206,000.00 - 284,000.00 per year

Cloud Engineer Sr. Principal - TS/SCI with Polygraph

General Dynamics

Chantilly, Virginia • Today

Full-time

USD 164,382.00 - 201,250.00 per year

Principal Cybersecurity Engineer with TS/SCI Poly

J VERS LLC

Maryland • Today

Full-time

USD 154,050.00 - 278,475.00 per year

Principal Information Security Engineer - Governance, Risk & Security Awareness

Ferguson Enterprises, LLC

Remote or Springfield, Virginia • Today

Full-time

USD 8,470.59 - 14,834.37 per month

Cross Domain Solutions Principal Engineer

The MITRE Corporation

Springfield, Virginia • Today

Full-time

USD 172,800.00 - 216,000.00 per year

Principal Agentic AI Full Stack Software Engineer

General Dynamics

Arlington, Virginia • Today

Full-time

USD 142,800.00 - 193,200.00 per year

Platform Engineer Senior Principal

General Dynamics

Arlington, Virginia • Today

Full-time

USD 185,300.00 - 250,700.00 per year

Principal Engineer/Microsoft Endpoint for Defender Enterprise

Fuse Engineering LLC

Fort Meade, Maryland • Today

Full-time

Cyber System Security Engineer Staff

Lockheed Martin Corporation

Maryland • 20d ago

Full-time

USD 123,500.00 - 217,695.00 per year

System Engineer Sr Principal

General Dynamics

Fort Meade, Maryland • Today

Full-time

USD 133,450.00 - 180,550.00 per year

Cyber RF Software Engineer Staff

Lockheed Martin Corporation

Maryland • 20d ago

Full-time

USD 128,200.00 - 225,975.00 per year

Principal Security Engineer | Cyber Defense Engineering

ServiceNow, Inc.

Remote or Santa Clara, California • Today

Full-time

USD 221,200.00 - 387,100.00 per year

Cyber Systems Integration Engineer Sr Principal

General Dynamics

Remote • Today

Full-time

USD 149,469.00 - 201,250.00 per year

Principal Software Engineer

Recorded Future

Washington, District of Columbia • Today

Full-time

USD 152,000.00 - 228,500.00 per year

Cyber Intelligence Engineer

The MITRE Corporation

McLean, Virginia • Today

Full-time

USD 172,800.00 - 216,000.00 per year

Cloud Engineer Principal

General Dynamics

Remote • Today

Full-time

USD 131,750.00 - 178,250.00 per year

Principal Security Engineer

Wilson Sonsini Goodrich & Rosati

Remote or Los Angeles, California • Today

Full-time

USD 147,050.00 - 198,950.00 per year

Job Details

Skills

FOCUS
Enterprise Networks
Collaboration
Operational Excellence
Innovation
Network Monitoring
Analytics
Root Cause Analysis
Cloud Computing
Routing
Inspection
System Administration
Backup
Recovery
Tier 2
Engineering Support
Authorization
Scripting
Testing
Network Engineering
Routing Protocols
Border Gateway Protocol
OSPF
Virtualization
MPLS
Web Applications
HTTPS
TLS
Microsoft Windows
Linux
Operating Systems
Network Security
Network
Juniper
Palo Alto
F5
SNMP
Security Operations
Cyber Security
Risk Management Framework
NIST SP 800 Series
Information Security
Continuous Monitoring
Firewall
Routers
Switches
Agile
Security Clearance
Management
Presentations

FOCUS
Enterprise Networks
Collaboration
Operational Excellence
Innovation
Network Monitoring
Analytics
Root Cause Analysis
Cloud Computing
Routing
Inspection
System Administration
Backup
Recovery
Tier 2
Engineering Support
Authorization
Scripting
Testing
Network Engineering
Routing Protocols
Border Gateway Protocol
OSPF
Virtualization
MPLS
Web Applications
HTTPS
TLS
Microsoft Windows
Linux
Operating Systems
Network Security
Network
Juniper
Palo Alto
F5
SNMP
Security Operations
Cyber Security
Risk Management Framework
NIST SP 800 Series
Information Security
Continuous Monitoring
Firewall
Routers
Switches
Agile
Security Clearance
Management
Presentations

Summary

MANTECH seeks a motivated, mission-focused Principal Cyber Engineer (Network Focus) to join our team in Chantilly, VA.

In this role, you will provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments supporting critical customer missions. You will collaborate across technical teams and customer stakeholders to deliver resilient, highly available, and secure network solutions while driving operational excellence and innovation.

Responsibilities include but are not limited to:

Interact with engineers, cross-functional teams, and customers at multiple levels to gather, coordinate, and deliver technical information.
Work closely with engineering teams to troubleshoot and build complex, highly available network topologies.
Develop and manage comprehensive network monitoring and alerting strategies leveraging SNMP, flow analytics, packet inspection, and infrastructure telemetry to proactively identify performance degradation, capacity constraints, and service disruptions across complex enterprise and mission-critical environments.
Lead complex network troubleshooting and root cause analysis across enterprise, data center, cloud, and hybrid environments, utilizing packet captures, routing analysis, traffic flow inspection, and protocol level diagnostics to rapidly identify and resolve service-impacting issues.
Perform engineering support and system administration for applications and systems, including installation, configuration, maintenance, patching, and backup/restore activities.
Provide Tier 2/3 maintenance and engineering support for deployed network and cybersecurity technologies.
Support Assessment and Authorization (A&A) activities related to cybersecurity technologies, where applicable.
Develop and implement automation solutions for repetitive project tasks and metrics collection using scripting, supporting testing and production deployment.
Perform additional project and corporate duties as assigned to support customer mission requirements.

Minimum Qualifications:

Bachelor?s degree or 4+ additional years of IT experience in lieu of degree.
7+ years of experience in cybersecurity or network engineering.
Proficiency in configuring and optimizing routing protocols like BGP and OSPF.
Direct experience implementing network virtualization and encapsulation technologies (EVPN-VXLAN, MPLS).
Solid understanding of traffic management and security perimeter defenses, including load balancers, firewalls, and virtualized infrastructure.
Experience troubleshooting web application traffic to include a strong understanding of HTTPS transactions and mutual TLS (mTLS).
Strong understanding of Windows and Linux systems, operating system security practices, and network security concepts.
Experience deploying, upgrading, and troubleshooting multi-vendor network equipment and solutions, such as Juniper, Palo Alto, F5, and Nutanix.
Experience leveraging SNMP monitoring tools.
Must have or be willing to obtain an IAT Level II (or higher) certification within 6 months of hire.

Preferred Qualifications:

Knowledge of Cross Domain Solutions (CDS) technologies on the NCDSMO approved products list.
Understanding of architectural principles such as defense in depth, resilience, and integrated security operations.
Familiarity with federal cybersecurity guidance, including NIST SP 800-37 (Risk Management Framework) and NIST SP 800-137 (Information Security Continuous Monitoring).
In-depth understanding and practical experience with LANs, firewalls, routers, and switches.
Experience working in Agile environments.

Clearance Requirements:

Must possess an active TS/SCI with Polygraph.

Physical Requirements:

Must be able to remain in a stationary position 50% of the time.
Must occasionally move about inside the office to access file cabinets, office machinery, or communicate with co-workers, management, and customers via email, phone, or virtual platforms, which may involve delivering presentations.

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: appfeed
Position Id: 22541_65340
Posted 28 days ago

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Similar Jobs

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MANTECH seeks a motivated, mission-focused Principal Network Engineer to join our team in Chantilly, VA. In this role, you will provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments supporting critical customer missions. You will collaborate across technical teams and customer stakeholders to deliver resilient, highly available, and secure network solutions while driving operational excellence and innovation. Responsibilities i

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Job Description FusionInnovation's recent growth has earned us a top spot in the Inc 5000 FastestGrowing Private Companies in America and in Washington Business Journal's BestPlaces to Work multiple years in a row. Our team members are passionate abouttheir work and are empowered to contribute their unique skills and perspectivesto our projects. Here at Fusion, we put people first. When you join us, youdon't just join a company, you join a family. If you are ready to be part of afun and engagin

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Senior Network Engineer

Remote or Chantilly, Virginia

•

Today

Leidos is searching for an experienced and fully cleared Network Engineer to join our team in Chantilly, VA. The team is made-up of highly technical and motivated individuals. The engineer for this role will assist in troubleshooting complex problems and implementing cutting-edge solutions. As such, this individual must be an excellent problem solver and work well in a collaborative team environment. Candidate must have proven hands-on experience working as a network engineer. OCONUS experience

Full-time

USD 131,300.00 - 237,350.00 per year

Job Details

Skills

FOCUS
Enterprise Networks
Collaboration
Operational Excellence
Innovation
Network Monitoring
Analytics
Root Cause Analysis
Cloud Computing
Routing
Inspection
System Administration
Backup
Recovery
Tier 2
Engineering Support
Authorization
Scripting
Testing
Network Engineering
Routing Protocols
Border Gateway Protocol
OSPF
Virtualization
MPLS
Web Applications
HTTPS
TLS
Microsoft Windows
Linux
Operating Systems
Network Security
Network
Juniper
Palo Alto
F5
SNMP
Security Operations
Cyber Security
Risk Management Framework
NIST SP 800 Series
Information Security
Continuous Monitoring
Firewall
Routers
Switches
Agile
Security Clearance
Management
Presentations

FOCUS
Enterprise Networks
Collaboration
Operational Excellence
Innovation
Network Monitoring
Analytics
Root Cause Analysis
Cloud Computing
Routing
Inspection
System Administration
Backup
Recovery
Tier 2
Engineering Support
Authorization
Scripting
Testing
Network Engineering
Routing Protocols
Border Gateway Protocol
OSPF
Virtualization
MPLS
Web Applications
HTTPS
TLS
Microsoft Windows
Linux
Operating Systems
Network Security
Network
Juniper
Palo Alto
F5
SNMP
Security Operations
Cyber Security
Risk Management Framework
NIST SP 800 Series
Information Security
Continuous Monitoring
Firewall
Routers
Switches
Agile
Security Clearance
Management
Presentations

Summary

MANTECH seeks a motivated, mission-focused Principal Cyber Engineer (Network Focus) to join our team in Chantilly, VA.

Responsibilities include but are not limited to:

Interact with engineers, cross-functional teams, and customers at multiple levels to gather, coordinate, and deliver technical information.
Work closely with engineering teams to troubleshoot and build complex, highly available network topologies.
Develop and manage comprehensive network monitoring and alerting strategies leveraging SNMP, flow analytics, packet inspection, and infrastructure telemetry to proactively identify performance degradation, capacity constraints, and service disruptions across complex enterprise and mission-critical environments.
Lead complex network troubleshooting and root cause analysis across enterprise, data center, cloud, and hybrid environments, utilizing packet captures, routing analysis, traffic flow inspection, and protocol level diagnostics to rapidly identify and resolve service-impacting issues.
Perform engineering support and system administration for applications and systems, including installation, configuration, maintenance, patching, and backup/restore activities.
Provide Tier 2/3 maintenance and engineering support for deployed network and cybersecurity technologies.
Support Assessment and Authorization (A&A) activities related to cybersecurity technologies, where applicable.
Develop and implement automation solutions for repetitive project tasks and metrics collection using scripting, supporting testing and production deployment.
Perform additional project and corporate duties as assigned to support customer mission requirements.

Minimum Qualifications:

Bachelor?s degree or 4+ additional years of IT experience in lieu of degree.
7+ years of experience in cybersecurity or network engineering.
Proficiency in configuring and optimizing routing protocols like BGP and OSPF.
Direct experience implementing network virtualization and encapsulation technologies (EVPN-VXLAN, MPLS).
Solid understanding of traffic management and security perimeter defenses, including load balancers, firewalls, and virtualized infrastructure.
Experience troubleshooting web application traffic to include a strong understanding of HTTPS transactions and mutual TLS (mTLS).
Strong understanding of Windows and Linux systems, operating system security practices, and network security concepts.
Experience deploying, upgrading, and troubleshooting multi-vendor network equipment and solutions, such as Juniper, Palo Alto, F5, and Nutanix.
Experience leveraging SNMP monitoring tools.
Must have or be willing to obtain an IAT Level II (or higher) certification within 6 months of hire.

Preferred Qualifications:

Knowledge of Cross Domain Solutions (CDS) technologies on the NCDSMO approved products list.
Understanding of architectural principles such as defense in depth, resilience, and integrated security operations.
Familiarity with federal cybersecurity guidance, including NIST SP 800-37 (Risk Management Framework) and NIST SP 800-137 (Information Security Continuous Monitoring).
In-depth understanding and practical experience with LANs, firewalls, routers, and switches.
Experience working in Agile environments.

Clearance Requirements:

Must possess an active TS/SCI with Polygraph.

Physical Requirements:

Must be able to remain in a stationary position 50% of the time.
Must occasionally move about inside the office to access file cabinets, office machinery, or communicate with co-workers, management, and customers via email, phone, or virtual platforms, which may involve delivering presentations.

Dice Id: appfeed
Position Id: 22541_65340
Posted 28 days ago

Fitment

Dice Job Match Score™

🔢 Crunching numbers...

Create job alert

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

Similar Jobs

Principal Network Engineer

Chantilly, Virginia

•

Today

Full-time

Network Engineer - Junior

Fairfax, Virginia

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Chantilly, Virginia

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Remote or Chantilly, Virginia

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USD 131,300.00 - 237,350.00 per year