Seneca Holdings

Sr. Cyber Security Engineer

Seneca Holdings · Chantilly, VA
Chantilly, VA $135K–$220K Posted 2026-07-01
Salary
$135K–$220K
Type
Full-time
Experience
4+ yr

Seneca Technologies is part of the Seneca Nation Group (SNG) portfolio of companies. SNG  is Seneca Holdings’ federal government contracting business that meets mission-critical needs of federal civilian, defense, and intelligence community customers. Our portfolio comprises multiple subsidiaries that participate in the Small Business Administration 8(a) program. To learn more about SNG, visit  the website and follow us on  LinkedIn .

Our team of talented individuals is what makes us successful. To support our team, we provide a balanced mix of benefits and programs. Your total rewards package includes competitive pay, benefits, and perks, flexible work-life balance, professional development opportunities, and performance and recognition programs. We offer a comprehensive benefits package that includes medical, dental, vision, life, and disability, voluntary benefit programs (critical illness, hospital, and accident), health savings and flexible spending accounts, and retirement 401K plan. One of our fundamental principles is to offer competitive health and welfare benefits to our team members, providing coverage and care for you and your family. Full-time employees working at least 30 hours a week on a regular basis are eligible to participate in our benefits and paid leave programs.  We pride ourselves on our collaborative work environment and culture, which embraces our mission of providing 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) deployment support to migrate and maintain critical services across unclassified and classified environments.

Responsibilities include but are not limited to:

  • Engineering, designing, and implementing C2C deployment support while managing the appliances, servers, and supporting infrastructure.
  • Coordinating with the network service provider to develop and maintain comprehensive network architecture diagrams.
  • Evaluating and recommending technology upgrades to address performance, standardization, and industry best practices.
  • Monitoring and investigating C2C performance and faults to recommend and institute required updates and changes.
  • Interacting with team members and customers at multiple levels to gather and coordinate vital technical information.
  • Supporting A&A activities related to cybersecurity technologies and system accreditation.

Minimum Qualifications:

  • Bachelor’s degree in information technology or related field (or 4+ years of additional experience in lieu of a degree)
  • 5+ years of experience in Information Systems, Information Security and/or Cyber Engineering.
  • Hands on experience with technologies involved in large-scale enterprise deployments and data center environments.
  • Experience deploying enterprise security software products including but not limited to firewalls, IPS, Anti-Virus, and network management systems.
  • Knowledge of Windows and Linux systems, TCP/IP networking, 802.1x, and general network security concepts.
  • IAT Level II (GSEC, Security+, SSCP, or CCNA-Security) certification (or the ability to obtain it within 6 months of hire)

Preferred Qualifications:

  • Certified Information Systems Security Professional (CISSP) certification.
  • Experience implementing vendor-agnostic C2C capabilities and services within DoD engineering and sustainment environments.
  • Proficiency with Cisco Identity Services Engine (ISE) and tools such as Nmap and Nessus
  • Knowledge of Shell, Perl, and XML Scripting to automate security tasks.

Clearance Requirements :

  • An active TS/SCI with Polygraph.

Physical Requirements:

  • Must be able to remain in a stationary position 50%.
  • Needs to occasionally move about inside the office to access file cabinets and office machinery.

Salary at Seneca is based on a variety of factors including but not limited to location, experience, skill set, performance, licensure and certification, as well as contract-specific affordability and organizational requirements. The range of this position in other geographic locations may differ.  The projected compensation range for this position is below. The estimate displayed represents the typical salary range for this position and is just one component of our total compensation package for employees.

The projected compensation range for this position is:
$135,000 — $220,000 USD

Equal Opportunity Statement:
Seneca Holdings provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex/gender, sexual orientation, national origin, age, disability, marital status, genetic information and/or predisposing genetic characteristics, victim of domestic violence status, veteran status, or other protected class status. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave of absence, compensation and training. The Company also prohibits retaliation against any employee who exercises his or her rights under applicable anti-discrimination laws. Notwithstanding the foregoing, the Company does give hiring preference to Seneca or Native individuals. Veterans with expertise in these areas are highly encouraged to apply.

$110K — 10th pctl $265K — 90th pctl
This role’s midpoint $177K vs. market median $180K for Engineering roles
~median
market rate
Based on 22,000+ Engineering roles with disclosed salary ranges tracked on NewJob.
Seneca Holdings

Seneca Holdings

Private Equity · Private · Salamanca, USA

Stage & Valuation
Private
Key Investors
Seneca Nation of Indians
Open roles on NewJob
Most hiring in
Operations (32) · Engineering (9) · BizOps (5)
Seneca Holdings is the investment arm of the Seneca Nation, operating a diversified portfolio of businesses in federal government contracting, environmental solutions, travel management, and sports. The company pursues non-gaming related investment and development opportunities to provide long-term financial and non-financial support to the Seneca Nation.
Private Equity Government Contracting Environmental Solutions Travel Management
E
Principal Cloud Engineer
Chantilly, VA
Engineering
$135K–$200K
O
Program Manager
Falls Church, VA
Operations
$125K–$200K
O
Senior Program Operations Integration Manager
Rosslyn, VA
Operations
$160K–$185K
See all 65+ roles at Seneca Holdings →
T
Sr. Cyber Security Engineer
True Zero Technologies Northern VA (Telework Flexibility) Hybrid
Engineering
B
Sr. Product Security Engineer
Betterment Holdings New York, NY Hybrid
Engineering
$175K–$205K
B
Sr. Security Engineer
ButterflyMX New York, NY
Engineering
$170K–$200K
C
Sr. Principal Information Security Engineer
Clarity Innovations Columbia, MD
Engineering
$100K–$330K
See all Engineering roles →

Interested in this role?

Apply directly on the company site — no recruiter middleman, no account required.

Apply now →
Apply on company site