MANTECH · 1 day ago
Senior Cyber Security Engineer
Chantilly, VA
Full-time
Onsite
Senior Level
5+ years expMANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join their team in Chantilly, VA. This role supports a mission-critical cybersecurity initiative and is ideal for professionals with strong technical expertise and a desire to shape the security infrastructure of the future.
Cyber SecurityInformation TechnologySecurityTelecommunications
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
You will engineer, design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to migrate, deploy, improve, and maintain C2C services across both classified and unclassified environments
Manage and maintain appliances, applications, servers, and supporting infrastructure essential to C2C operations
Coordinate with the network service provider to develop and maintain detailed network architecture diagrams
Evaluate system performance, identify areas for improvement, and recommend technology upgrades in line with best practices and standardization goals
Monitor and troubleshoot C2C systems, investigating faults and optimizing performance
Collaborate with internal teams and customers at various levels to facilitate communication and project success
Provide support for Assessment and Authorization (A&A) activities associated with cybersecurity technologies, as applicable
Qualification
Required
Bachelor's degree OR 4+ additional years of cyber experience in lieu of a degree
5+ years of relevant cybersecurity experience
Hands-on experience with technologies used in large-scale enterprise networks and data centers
Familiarity with enterprise security software products such as firewalls, IPS, antivirus tools, application firewalls, high-availability solutions, network management systems, and virtualized systems
Strong understanding of Windows and Linux systems, operating system security principles, TCP/IP networking, 802.1x, and core network security concepts
Must possess an IAT Level II certification (GSEC, Security+, SSCP, or CCNA-Security) or be able to obtain one within 6 months of hire
Must have a current/active TS/SCI with CI Polygraph
Preferred
Experience implementing and maintaining complex software systems involving multiple components
Real-time, enterprise-level Comply-to-Connect (C2C) expertise, including vendor-agnostic services and open-source security solutions, with proficiency in DoD integration, engineering, and sustainment practices
Familiarity with Cisco Identity Services Engine (ISE)
Proficiency with tools such as Nmap, Nessus, and tcpdump
Company
MANTECH
ManTech is a technology company that offers cyber, IT, and data analytics technologies and solutions for security programs.
5001-10000 employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2022-05-16Acquired
2002-02-07IPO
Leadership Team
Matt Tait
Chief Executive Officer & President
Gavin Greene
VP of Business Development
Recent News
2026-01-16
Washington Technology
2025-12-11
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2025-12-10
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