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Location
In office (United States)
Seniority
Middle · 4+ years exp

Confirmed on the employer's own hiring board on Nov 14, 2026. First seen by Alion on Nov 13, 2026. By Light scores A on the Alion truth index.

Overview
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By Light Professional IT Services is a US defense and government technology contractor headquartered in McLean, Virginia, in the Washington area. It provides cyber operations and cyber ranges, C5ISR communications, modeling, simulation and training, IT and cloud services, and digital services to the military and federal agencies, with offices across the US and international operations based in the UK, and owns Dignitas Technologies. It hires software, DevOps, network and telecommunications engineers, cyber red team planners, field support technicians and program managers.

Company Overview

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Position Overview

We are seeking an Information Assurance Engineer support an IT Service Management effort for USTRANSCOM located at Scott Air Force Base (AFB) in Illinois. The USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command’s infrastructure, systems, and applications. This support will be provided to the USTC Command, Control, Communications & Cyber Systems Directorate (TCJ6).

The successful candidate will be responsible for working on high-visibility or mission critical aspects of a given program and performing all functional duties with some oversight.

This position is for Monday through Friday, normal business hours. However, employee may be required to provide after-hours and weekend support during planned or emergency events.

Responsibilities

  • Develop and coordinate all authorization documentation associated including the Systems Categorization, Systems Security Plan, and Systems risk assessment.
  • Manage the Authority to Operate (ATO) packages using continuous monitoring strategies outlined by the ISSM.
  • Support the control assessment, reporting and monitoring processes using the Cyber Security and Assessment Management (CSAM) system.
  • Create and maintain all minor/major modification documentation.
  • Maintain all waivers and Risk assessment for the ISSMs.
  • Assist the ISSMs with decisions that affects the security of their systems and networks.
  • Facilitate preparations for all Contingency/Incident response assessments.
  • Perform and document risk assessments, analyzing security vulnerabilities, and the metrics to measure the risks associated with those vulnerabilities.
  • Design and development of comprehensive Systems Security Plan, covering at a high level the infrastructure, policies and procedures which define the systems security profile for the enclave systems.
  • Review and validate System Test and Evaluation (ST&E) and Interim Authority to Test (IATT) reviews for new and/or legacy systems.
  • Review and conduct NIST-based Self Assessments, identifying any weaknesses which need to be addressed, and developing a Plan of Action and Milestones (POA&M) for each of those weaknesses based on industry best practices. Requesting risk acceptance for vulnerabilities that cannot be remediated or mitigated.
  • Based on the risk profile, Create and track Plan of Action and Milestones (POA&M) for mitigation of risks identified via the ACAS and STIG processes.
  • Design and development of Initial Privacy Assessment (IPA) and Privacy Impact Assessments (PIAs) for each major Federal Government IT Systems.
  • Utilize the eMass tool to manage the security profile for the system.
  • Utilize the Ports, Protocols, and Service Management (PPSM) tool and processes to register ports, protocols, and services in use by the enclaves.

Required Experience/Qualifications

  • Bachelor's degree
  • Minimum of four (4) years of experience
  • Must have at least one of these IAT Level II certifications: Security+, CECCNA-Security, CySA+, GICSP, GSEC, CND, SSCP.
  • Must have at least one Computing Environment (CE) certification or certificate for the technical area of responsibility for Network support/defense (e.g., Splunk, Cisco, McAfee, etc.) OR Operating System (e.g., Microsoft, Linux, Solaris, etc.

Preferred Experience/Qualifications

  • Master's degree
  • ITILv4 Foundations certification.
  • One of the IAM Level II certifications: CAP, CASP+ CE, CISM, CISSP (or Associate), GSLC, CCISO, HCISPP.

Special Requirements/Security Clearance

  • DoD Secret clearance or higher.
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