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Seneca Holdings

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Seneca Holdings

Cyber Security Engineer

Orlando, FL

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 ...

Seneca Holdings

Cyber Security Engineer

Orlando, FL · On-site

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 ...

Seneca Holdings

Sr. Payroll Specialist

Williamsville, NY

$63K - $75K/yr

Seneca Holdings is seeking a Senior Payroll Specialist in Williamsville, NY. This team member will report to the Payroll Manager. Duties and Responsibilities: * Complete onboarding of new hires into ...

Seneca Holdings

IT Property Custodian

San Angelo, TX

$13.75 - $17.50/hr

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 ...

Seneca Holdings

Audit/Advisory Specialist

Washington, DC · On-site +1

$190K - $210K/yr

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 ...

Seneca Holdings

Sr. Cyber Security Engineer

Chantilly, VA · On-site

$135K - $220K/yr

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 ...

Seneca Holdings

Sr. Payroll Specialist

Williamsville, NY · On-site

$63K - $75K/yr

Seneca Holdings is seeking a Senior Payroll Specialist in Williamsville, NY. This team member will report to the Payroll Manager. Duties and Responsibilities: * Complete onboarding of new hires into ...

Seneca Holdings

Audit/Advisory Specialist

Washington, DC · On-site +1

$190K - $210K/yr

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 ...

Seneca Holdings

Cyber Security Engineer

Orlando, FL · On-site

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 ...

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Seneca Holdings Jobs Information

What makes Seneca Holdings an attractive place to work?

Seneca Holdings is a reputable company in the industry, known for its commitment to delivering high-quality services and solutions to its clients. The company's workplace is characterized by a culture of innovation, collaboration, and stability, with opportunities for employees to work on diverse projects and contribute to the company's growth. Joining Seneca Holdings can provide professionals with a chance to make a meaningful impact, develop their skills, and advance their careers in a dynamic and supportive environment.
Infographic showing various job openings at Seneca Holdings in the United States as of August 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 74% Physical, 5% Hybrid, and 21% Remote job distribution.

Sr. Cyber Security Engineer

Seneca Holdings

Chantilly, VA • On-site

Full-time

Re-posted 5 days ago

Job description

Job Summary:
Seneca Holdings is part of the Seneca Nation Group, focusing on federal government contracting. They are seeking a Senior Cyber Security Engineer to engineer, design, and sustain Comply-to-Connect deployment support for critical services across unclassified and classified environments.
Responsibilities:
• 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.
Qualifications:
Required:
• 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)
• An active TS/SCI with Polygraph.
Preferred:
• 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.
Company:
Seneca Holdings is the investment arm of the Seneca Nation of Indians, and has unique sovereign advantages that help to create value. Founded in 2009, the company is headquartered in Phoenix, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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