Senior Cyber Security Security Engineer - Comply-to-Connect (C2C) Chantilly, VA, US

CACI International Inc.; Chantilly, Northern (VA, KY); Hybrid; USD 104,000 - 218,000; Full time

Job summary

cacI International Inc. in Chantilly, VA seeks a Senior Cyber Security Engineer to design, deploy, and sustain Comply‑to‑Connect (C2C) capabilities across classified and unclassified networks.

You’ll manage appliances, servers, and related infrastructure while coordinating with stakeholders to ensure secure access and compliance. The role requires TS/SCI with polygraph, 5+ years in information systems security or cyber engineering, and experience with enterprise security tools and Windows/Linux

Qualifications

• Active TS/SCI with Polygraph required.
• Bachelor’s degree or 4+ additional years of experience in place of a degree.
• At least 5 years of information systems security or cyber engineering experience.
• Experience with enterprise-scale deployments and data center environments.

Responsibilities

• Engineer, design, and implement C2C deployment solutions while managing appliances, servers, and related infrastructure.
• Collaborate with network service providers to create and maintain network architecture diagrams.
• Evaluate and recommend technology upgrades to optimize performance and security.
• Monitor and troubleshoot C2C performance issues and identify root causes.

Skills

TS/SCI with Polygraph

Bachelor's degree

Information Security

Cyber Engineering

Windows

Linux

TCP/IP networking

IAT Level II

Education

Bachelor's degree

Tools

Nessus

tcpdump

Nmap

Cisco ISE

Firewalls

Job description

## Senior Cyber Security Security Engineer - Comply-to-Connect (C2C)Chantilly, VA, USApply NowFind out how well you match with this jobJob ID327412Job 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\* \* \*Join a high‐impact cybersecurity team where your expertise drives secure, modern, and resilient network operations across both classified and unclassified environments. This role centers on engineering and sustaining Comply‐to‐Connect (C2C) capabilities that protect critical enterprise systems, enhance visibility, and enable mission-focused decision making.You’ll take the lead in designing and supporting C2C deployments, managing key infrastructure, and partnering with technical stakeholders to ensure seamless integration and ongoing performance across the enterprise. Your work will help shape the future of secure network access and system compliance.**Responsibilities:*** Engineer, design, and implement C2C deployment solutions while managing appliances, servers, and related infrastructure.* Collaborate with network service providers to create and maintain comprehensive network architecture diagrams.* Evaluate and recommend technology upgrades to optimize performance, standardization, and alignment with cybersecurity best practices.* Monitor and troubleshoot C2C performance issues, identifying root causes and implementing improvements.* Work closely with cross‐functional teams and customers to gather, coordinate, and communicate critical technical information.* Support Assessment & Authorization (A&A) efforts, system accreditation activities, and cybersecurity technology evaluations.**Qualifications:****Required:*** Active TS/SCI with Polygraph required.* Bachelor’s degree, or 4+ additional years of experience in place of a degree.* At least 5 years of experience in Information Systems Security and/or Cyber Engineering.* Background working with technologies used in enterprise‐scale deployments and data center environments.* Hands‐on experience with enterprise security tools such as firewalls, IPS, antivirus solutions, and network management systems.* Strong knowledge of Windows and Linux operating systems, TCP/IP networking, 802.1x, and general network security principles.* IAT Level II certification (GSEC, Security+, SSCP, or CCNA‐Security) or the ability to obtain it within six months of hire.**Desired:*** CISSP certification.* Experience deploying vendor‐agnostic C2C capabilities within DoD environments.* Proficiency with Cisco ISE and tools such as Nmap, Nessus, and tcpdump.* Familiarity with Shell, Perl, or XML scripting to automate routine security tasks.* Experience with tool such as: Nmap, Nessus and tcpdump.**Work Environment:*** Ability to remain stationary for extended periods (approx. 50%).* Occasional movement within the office to access equipment or collaborate with team members.* Frequent communication with colleagues, leadership, and customers—including presentations and technical discussions.* Ability to clearly exchange information in a dynamic, team‐oriented environment.This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI.**What You Can Expect:****A culture of integrity.**At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.**An environment of trust.**CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.**A focus on continuous growth.**Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.**Pay Range**:There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.The proposed salary range for this position is:$103,800 - $218,100*CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.*