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 33 week of 2026
- ...MANTECH seeks a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in Chantilly, VA . In this role, you will support mission-critical cybersecurity operations by designing, deploying, and maintaining secure, resilient...PrincipalWork at office
- ...MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA . Principal Cyber Security engineers are responsible for the quality of cyber security related solution delivery, development, testing and...PrincipalWork experience placementWork at office
- ...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 the Sponsor’s system accreditation...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 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- ...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...Full timeTemporary workFlexible 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$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- 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
$82.6k - $162.8k
Position Summary Join our Deloitte Cyber team to deliver powerful solutions to... ...with confidence, and proactively manage to secure success. Identity security market is undergoing... ...12/31/2026.Work you'll doAs a Security Engineer II on the Deloitte Cyber Identity &...Local areaVisa sponsorship$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- ...Job Summary A Rampant Technologies Cybersecurity Engineer (CSE) is a key resource that is a part of the Rampant team reporting to the Principal Engineer overseeing the CSE team to deliver innovative Cyber Security solutions that are in alignment with the company...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
$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 placementRemote workShift work$105.4k - $207.8k
Position Summary Palo Alto Network Security Engineer/ Senior Consultant, Strategy, Growth, and TransformationDeloitte’s Cyber business is passionate about making an impact with lasting change. Delivering our industry leading services requires fresh thinking and...Work experience placementLocal areaRemote work$80k - $130k
...Conducts senior-level reviews of project deliverables before Principal review Leads client meetings and project discussions Supports... ...experience ~ Bachelor's and/or Master's of Science in Civil Engineering, Environmental Engineering, Natural or Environmental Science,...PrincipalLocal area$101k - $151.4k
...through decommissioning. In this role, you will operate as a security engineer supporting an established, large-scale space program and... ...security authorization package. Basic QualificationsEducation:Principal Cyber Systems Engineer:Bachelor’s Degree (STEM) with 5 Years of...PrincipalFull timeRelocation packageShift work- DescriptionSAIC is seeking a Program Analyst Principal to fill a critical position on SAIC’s Prime Program, Landmark AOS located in Chantilly, VA. Landmark AOS is a large SETA program that supports the NRO’s Ground Enterprise Directorate (GED), which is responsible for...PrincipalFor contractorsWork at office
- ...making history.Northrop Grumman’s Space Sector is seeking a Senior Principal (Level 4) to join our team in Dulles, VA. The qualified... ...Information (SCI) clearance at time of applicationExperience in systems engineering to include architectural studies, technical baseline...PrincipalFull timeRemote workRelocation packageShift work
- DescriptionSAIC’s National Security and Space (NSS) Sector is seeking a Test Engineer to fill a key position supporting the Intelligence Community (IC), delivering solutions across a range of rapidly expanding and complex space and ground system initiatives. The Test Engineer...PrincipalContract workWork at office
- ...experience in one (1) or more of the following areas: federal acquisitions, DoD or the IC budget and finance processes, and National Security PolicyDemonstrated experience working with senior executives at multiple organizational levelsDemonstrated experience using...PrincipalWork at office
- ...potential solutions. Coordinating and participating in system engineering and technical exchange meetings to support quick resolution of... ...Physical and Mental Requirements for all Quantech roles.We hire Military!Security clearance requiredTSSCI - Full Scope PolyTravel0 - 10%PrincipalFor contractors
- DescriptionMay design, analyze, plan, modify, and maintain networks and network components supporting data, voice and/or audio communication activities. Will implement new network routes and configurations to external organizations. Will perform network monitoring of on...PrincipalRemote work
- ...MANTECH seeks a motivated, mission-focused Principal Cyber Engineer (Network Focus) to join our team in Chantilly, VA . In this role,... ...provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments supporting...PrincipalWork at office
$82.6k - $162.8k
Position Summary Our Deloitte Cyber team understands the unique challenges and opportunities... ...confidence, and proactively manage to secure success.Recruiting for this role ends on 12/31/2026.Work you'll doAs a Security Engineer on the Deloitte Cyber team, you will be...Local areaVisa sponsorship- ...Responsibilities Engineering Consulting Services (ECS) is seeking an experienced Senior Project Manager to join our team. This role is... ...Perform peer/senior review of deliverables prior to submission for Principal review Host or attend project discussions with clients, follow...PrincipalFor subcontractorLocal area
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Cyber Security Engineer. Be the first to apply!
- senior director engineering Chantilly, Loudoun County, VA
- principal developer Chantilly, Loudoun County, VA
- principal engineer Chantilly, Loudoun County, VA
- principal security engineer Chantilly, Loudoun County, VA
- senior civil engineer project manager Chantilly, Loudoun County, VA
- director software engineering Chantilly, Loudoun County, VA
- general engineer Chantilly, Loudoun County, VA
- engineering director Chantilly, Loudoun County, VA
- chief engineer Chantilly, Loudoun County, VA
- hotel chief engineer Chantilly, Loudoun County, VA


