ISSE at Excelity

Location: Arkansas
Type: Full-time
Posted: Jun 10, 2026

Description

Excelity is seeking an ISSE (Information System Security Engineer) for a project focused on providing comprehensive engineering, operations support, and tech refresh services globally for the Enterprise IT Infrastructure (EII) to enhance DoD Intelligence Information Systems (DoDIIS) Enterprise capabilities. This position involves managing cybersecurity elements, preparing Assessment and Authorization (A&A) documents, and interfacing with various security teams and government representatives.

Required Skills

Cybersecurity
Engineering
Operations Support
Tech Refresh Services
Information Assurance (IA)

Additional Information

Required Previous Experiences: 8 years of relevant experience
A track record of progressively responsible information assurance experience in ICD 503 certification and accreditation.
Preferred Qualifications: Must maintain required technical and security training relative to cybersecurity duties, in accordance with DoD instruction 8510.01, Risk Management Framework for DoD Systems, NIST Special Publication 800-53, Recommended Security Controls for Federal Information Systems and Organizations and DoD Directive 8570.01-M, IA Workforce Improvement Program.
ISSE/ISSO must have certifications and/or comprehensive hands-on technical experience in the technology area(s) of their assigned system(s) in order to effectively carry out their duties.
Familiarization with NIST Special Publication 800-37 Revision 1, Guide for Applying the Risk Management Framework to Federal Information Systems”, Committee on National Security Systems Instructions (CNSSI) 1253, and NIST SP 800-53 Revisions 3 and 4, SP800-39, SP 800-30.