Principal Cyber Security Engineer
$100k - $140kManTech
Salary: $100,000 - 140,000 per year Requirements:
- We are looking for candidates who meet the following qualifications:
- A bachelor’s degree or 4+ years of additional cyber experience in lieu of a degree
- 7+ years of cyber experience
- Experience with technologies involved in large-scale enterprise deployments/data centers
- Experience with deploying and/or supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, application firewalls, high availability solutions, and network management systems
- Knowledge of Windows and Linux systems, general operating system security practices, TCP/IP networking, 802.1x, and network security concepts
- IAT Level II (GSEC, Security+, SSCP, or CCNA-Security) certification or the ability to obtain one within 6 months of hire
- As a Principal Cyber Security Engineer, you will:
- Engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services. This includes managing and maintaining the appliances, applications, servers, and supporting infrastructure in both unclassified and classified environments.
- Coordinate with the network service provider to develop and maintain network architecture diagrams.
- Evaluate and recommend changes and/or technology upgrades to address performance, standardization, and best practices in the industry.
- Monitor and investigate C2C performance and faults, providing recommendations for improvements.
- Interact with team members and customers at multiple levels to gather, supply, or coordinate information.
- Support Assessment and Authorization activities related to cybersecurity technologies when applicable.
- Cisco
- Support
- Linux
- Network
- Perl
- Security
- TCP/IP
- Windows
- XML
More:
Preferred qualifications include:
- Experience implementing and using complex software products that involve multiple components
- Familiarity with vendor-agnostic C2C capabilities and services, open-source components, trends, DoD integration and networks, as well as DoD engineering and sustainment procedures and processes to deliver real-time enterprise-level expertise to our customers
- Experience with Cisco Identity Services Engine (ISE)
- Knowledge of Shell, Perl, and XML scripting
- Experience with tools such as Nmap, Nessus, and tcpdump
Candidates must have a current/active TS/SCI clearance with Polygraph. Physical Requirements:
The person in this position must be able to remain stationary for 50% of the time, occasionally moving around the office to access file cabinets and office machinery, or to communicate with co-workers, management, and customers via email, phone, and virtual communication, which may include delivering presentations.
last updated 36 week of 2026
- ...Principal Cyber Security Engineer MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA. The Principal Cyber Security Engineer will leverage their strong technical background and knowledge to support...PrincipalWork at office
- Intelligence Consulting Enterprise Solutions, INC. is looking for a Sr. Cyber Security EngineerDescription: Join ICES on a new contract impacting national security as a Sr. Cyber Security Engineer These positions are located in Chantilly, VA. All positions require an active...SuggestedContract workFor contractorsWork at office
$103.8k - $218.1k
Job Title: Senior Cyber Security Security Engineer - Comply-to-Connect (C2C)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local...SuggestedContract workWork experience placementWork at officeLocal areaImmediate startFlexible hours- ...Security Clearance : TS/SCI with Fullscope Polygraph Position Seeking a Cyber Security Engineer to support an Intelligence Client. Demonstrated experience with cyber penetration testing Demonstrated experience designing, testing, or implementing...SuggestedFull timeTemporary workFlexible hours
$103.8k - $218.1k
Job Title: Senior Cyber Security Engineer (Splunk)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *Exciting Opportunity...SuggestedContract workWork experience placementWork at officeLocal areaFlexible hours$94.4k - $198.2k
Job Title: Cyber Network Security EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee... ..., national origin, disability, status as a protected veteran, or any other protected characteristic.Department:Cyber EngineeringContract workWork experience placementImmediate startFlexible hours- ...Senior Cyber Security Engineer MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. You will play a vital role in leading technical operations, executing cyber security engineering solutions, and safeguarding...Work experience placementWork at officeWeekend work
$146k - $234k
...where your expertise directly shapes the security of enterprise infrastructure? If you're passionate about large-scale security engineering and architecture, we want to hear from you... ...program, or 18 years of experience as a Cyber Security Engineer in lieu of degree.18 years...Contract workWork experience placementShift work$100k - $140k
...degree or 4+ years of equivalent experience Over 5 years in cyber security At least 3 years with Splunk Enterprise Security... ...IT Service Intelligence (ITSI) experience Preferred: Cribl Engineer Certification with experience in security and operational use...Full time- ...Masonbyte is seeking to fill a Cyber Security Engineer position for our customer in Chantilly, VA . At Masonbyte, we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering...Permanent employment
$400k
...Dependent Clearance Required: TS/SCI with Full-Scope Polygraph Position Overview We are seeking an experienced Cyber Security Engineer to support a mission-critical cyber security program in Chantilly, Virginia . This role supports enterprise cyber...Full timeContract workTemporary workRemote work- ...Cyber Security Engineer (Senior Level)CEdge has an opportunity for a Cyber Security Engineer (Senior Level), located in St Louis, MO. If you are ready to work alongside world renowned technology experts, and carry the skills below, this is the opportunity that will inevitably...For contractors
$149k - $170k
...Cyber Security Engineer FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy on our staff. We provide...Temporary work$135k - $220k
...financial and non-financial benefits back to the members of the Seneca Nation. Seneca Technologies is hiring for a Senior Cyber Security Engineer to join our team in Chantilly, VA. This team member will work to engineer, design, and sustain Comply-to-Connect (C2C)...Full timeContract workWork at officeFlexible hours- OverviewWe are actively seeking Cyber Security Systems Engineers to support the customer’s Division level A&A projects which has several Branches within it. The A&A projects are therefore at various levels within the customer organization depending upon which team is responsible...For contractorsInterim roleWork at office
- DescriptionSAIC seeks a Cyber Security Systems Engineer to join our team of professionals providing technical and program services to the U.S. Government (USG). SAIC provides research, engineering, design, analysis, acquisition, development, integration, test, and operations...Work experience placementWork at office
- DescriptionJOB DESCRIPTION: Performs Cyber Systems Architecture, Cyber Technology Research... ...be categorized as Infrastructure Security, in that employees in this job code are... ...concerned with the maintenance, administration, engineering, architecture, development, patching,...Principal
- ...re seeking a Penetration Tester who thrives in hands‑on security testing and modern cyber defense environments. You’ll apply adversarial tactics,... ...delivers cutting‑edge capabilities across data science, data engineering, software engineering, AI solutions, cybersecurity, and...Full timeWork experience placement
$145k - $210k
Senior Cyber Security EngineerCooley is seeking a Senior Cyber Security Engineer to join the Security team.Position summary: Cooley Technology embraces a culture of customer service excellence and all members of the department are expected to move this agenda forward. To...Full timeTemporary workWork at officeFlexible hoursWeekend work$125.3k - $187.9k
...commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights... ...Grumman Mission Systems is seeking an experienced Principal / Senior Principal Cyber Software Engineer to join our team supporting a program in the Signals...PrincipalFull timeRelocation packageShift work$100k - $140k
...I expect you to have 5 or more years of experience in the cyber security field. Experience with Linux operating systems is essential... ...Enterprise Cross Domain Solutions. Your role will involve engineering and deploying capabilities to introduce new functionalities,...Full timeWork at office- ...risk assessment activities. Required skills and demonstrated experience: Demonstrated experience analyzing IT systems for cyber security vulnerabilities. Demonstrated experience developing IT system or network architecture design, conducting IP data flow...Local area
$250k
...Job Description Job Description Job Title: Cyber Security Project EngineerReports To: RSekure Program ManagerLocation: Chantilly, VASchedule... ...-Scope PolygraphPosition Summary The Cyber Security Project Engineer manages security assessment, security compliance, change...Full timeWork at office- ...we believe great work comes from people who feel supported and valued. We are currently seeking a highly experienced Cyber Security Systems Engineer—at the Manager or Subject Matter Expert (SME) level—to support the security accreditation and assessment of multiple...Work experience placementFlexible hours
$125k - $190k
...DC area firms and continues to grow. ATS is seeking Cyber Technical Analyst Principal to support a client’s operational requirements in a challenging... ...The positions require an active TS/SCI with Polygraph security clearance . There is no exception to the clearance...PrincipalFull timeContract workWork experience placementRemote work$101k - $194k
...everywhere & always. Want in? Join the #VTeamLife.What you’ll be doing...The GN&T Network Security team is looking for a highly motivated and experienced Cybersecurity Engineer to join the Network Security Defense team. The Defense teams are responsible for owning the...Full timeTemporary workPart timeWork experience placementWork at officeWork from homeShift work3 days per week$135k - $216k
Responsibilities Expert Cyber Security Engineers capture and refine information security requirements and ensure that the requirements are integrated into information technology component products and information systems through purposeful security architecting, design...Contract workFor contractorsWork experience placementShift work- ...Founding Head of Security / Security Lead A growing software company in the identity, privacy, and trust space is hiring its first dedicated security leader. This is a rare opportunity for a hands-on security professional to step into a high-ownership role that combines...Immediate start
$114.6k - $190.2k
...Senior Splunk Cyber Security Engineer Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges...Hourly payContract workTemporary workWork experience placementWork at officeLocal areaRemote work$100k - $140k
...experience in cybersecurity or network engineering. We need hands-on proficiency with... ...grasp of traffic management and perimeter security tools such as load balancers,... ...seeking a motivated, mission-focused Principal Cyber Engineer with a network focus to join...PrincipalFull timeWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Cyber Security Engineer. Be the first to apply!
- principal developer Chantilly, Loudoun County, VA
- hotel chief engineer Chantilly, Loudoun County, VA
- director software engineering Chantilly, Loudoun County, VA
- director systems engineering Chantilly, Loudoun County, VA
- principal engineer Chantilly, Loudoun County, VA
- engineering director Chantilly, Loudoun County, VA
- data center chief engineer Chantilly, Loudoun County, VA
- general engineer Chantilly, Loudoun County, VA
- chief engineer Chantilly, Loudoun County, VA
- cyber security engineer Chantilly, Loudoun County, VA



