Senior Security Engineer

cni· 789 Chickasaw Service Solutions, LLC
Apply Now ↗
📍 Reston, VAFull time💰 USD 110K–150K

About this role

*Please note, that this position is contingent upon the award or funding. The essential duties, experience, education requirements, and salary are subject to change.*

This position is fully onsite at the specified client location in Reston, Virginia.

The Senior Security Engineer will assist in creating and maintaining IT security policies, architectures, standard operating procedures, and RMF security assessment activities. Activities will include conducting technical security assessments of complex information systems with minimal supervision to include Risk Assessment and Management, Vulnerability Analysis, Contingency Planning/Disaster Recovery, Configuration Management, Security Assessments, and development of Mitigation Plans.   

Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises. A portion of our profits is used to support Chickasaw citizens. We are proud to support the economic development and long-term viability of the Chickasaw Nation and its people. CNI offers premium benefits eligible on the first day of hire to full time employees; (Medical - Dental – Vision), Company Life Insurance, Short-Term and Long-Term Disability Insurance, 401(K) Immediate Vesting, Professional Development Assistance, Legal Aid Assistance Program, Family Planning / Fertility Assistance, Personal Time Off, and Observance of Federal Holidays.

As a federal contractor, CNI is a drug-free workplace and adheres to the Federal Controlled Substance Act.
 

ESSENTIAL REQUIREMENTS

Must be able to obtain and maintain the required customer clearance for access to systems, facilities, equipment and property.

Ability to read and interpret technical drawings, schematics, and system documentation.

Strong understanding of NIST A&A/RMF guidelines and industry best practices.

Information Assurance and Security certification preferred.

ESSENTIAL DUTIES AND RESPONSIBILITIES

Essential Duties and responsibilities include the following. Other duties may be assigned.

Develop security assessment plans, carry out technical security assessments of all selected management, operational and technical security controls, and document the results of the assessment and a concurrent risk assessment in a Security Assessment Report.

Develop POA&M Reports including all identified weaknesses, recommended actions for remediation or mitigation and provide weakness criticality ratings based on the risk assessment results.

Provide multi-discipline security administrative and technical security support to the IA RMF and Continuous Monitoring Programs.

Develop security authorization packages for newly developed systems.

Coordinate all aspects of the Assessment effort with identified points of contact, working with a high degree of independence.

Collaborate with information system owners, security officers, developers, and IT operations personnel to conduct system security categorizations.

Develop initial system security plans and contingency plans aligned with organizational policies.

Provide recommendations to organizational stakeholders for preliminary POA&M remediation and application of security engineering principles.

EDUCATION/EXPERIENCE

Bachelor’s Degree and four (4) years of relevant experience or equivalent combination of education/experience.   

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this job. Work is primarily performed in an office/warehouse setting. Regularly required to use hands to finger, handle, or feel.  Regularly required to reach with hands and arms, occasionally above head. Regularly required to twist at the waist, climb and descend stairs while carrying objects. Ability to speak and hear. Frequently required to stand, walk, stoop, kneel, crouch or crawl. Occasionally required to sit and climb or balance. Regularly lifts and/or moves up to twenty-five pounds and occasionally lifts and/or moves up to fifty pounds. Works near moving mechanical parts. Regularly exposed to general office and general office machinery noise. May be exposed to warehouse, truck or forklift noise. 
 

The estimated pay range for this role is $110,000 to $150,000, with the final offer contingent on location, skillset, and experience.  

CNI offers a comprehensive benefits package that includes:

  • Medical

  • Dental

  • Vision

  • 401(k)

  • Family Planning/Fertility Assistance

  • STD/LTD/Basic Life/AD&D

  • Legal-Aid Program

  • Employee Assistance Program (EAP)

  • Paid Time Off (PTO) 

  • Training and Development Opportunities

Your application submission will be considered for all potential employment opportunities with Chickasaw Nation Industries (CNI).

#INDCNI

Frequently Asked Questions

What is the salary for the Senior Security Engineer role at cni?
The listed salary for this Senior Security Engineer position at cni is USD 110K–150K. This is an Full time role.
Where is the Senior Security Engineer position at cni located?
This Senior Security Engineer role at cni is based in Reston, VA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Senior Security Engineer role at cni full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Security Engineer role in the 789 Chickasaw Service Solutions, LLC department at cni.
Which team or department does the Senior Security Engineer at cni belong to?
This Senior Security Engineer position is part of the 789 Chickasaw Service Solutions, LLC department at cni. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior Security Engineer position at cni?
Click the "Apply Now" button on this page. You will be redirected to cni's official application portal hosted on workday where you can submit your application directly.
When was the Senior Security Engineer job at cni posted?
This Senior Security Engineer position at cni was posted on Aug 25, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Security Engineer
cni · 💰 USD 110K–150K
Apply for this role ↗

You'll be redirected to cni's official application page on Workday.