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Information System Security Engineer; ISSE Security Clearance

Job in Beavercreek, Greene County, Ohio, USA
Listing for: KBR
Full Time position
Listed on 2026-01-01
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security
Job Description & How to Apply Below
Position: Information System Security Engineer (ISSE) with Security Clearance
Title:

Information System Security Engineer (ISSE) Belong. Connect. Grow. with K ! K 's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role - protecting our national security. Why Join Us?
* Innovative Projects: K 's work is at the forefront of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.

* Collaborative Environment:
Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.

* Impactful Work:
Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of defense.

Position Summary:

The selected candidate will serve in a Senior ISSE role and perform tasks related to Assessment & Authorization (A&A) and cybersecurity under DHA to obtain and maintain Authorizations to Operate (ATOs) for assigned DoD medical systems (i.e., applications, networks, devices).

Key Responsibilities:

* Support team in a Senior ISSE capacity for multiple information systems

* Serve as Subject Matter Expert (SME) on one or more technologies/skills related to A&A activities

* Conduct risk and vulnerability assessments of information systems to identify vulnerabilities, risks, and protection needs

* Provide solutions to complex problems that require the regular use of expertise and creativity. Problems are broadly defined and solutions require the continuation of specialized theories and knowledge

* Actively lead and participate in regular A&A status meetings with senior government and contract personnel to facilitate progress and address potential issues of RMF system efforts

* Participate in sessions aimed at identifying, planning, and executing strategies in response to emerging cybersecurity/RMF policies

* Maintain awareness and knowledge of evolving security and risk management standards and communicate and apply relevant changes to existing processes

* Lead and/or attend meetings with SDD stakeholders to discuss statuses of efforts

* Assess system compliance against NIST, DoD, and DHA security requirements to include the NIST 800-53 controls, DISA Security Technical Implementation Guides (STIGs), and DISA Security Requirements Guides (SRGs)

* Produce evidence as necessary to support compliance status of NIST, DoD, and DHA security requirements

* Analyze vulnerability scans of information systems and assist in remediation tasks

* Submit weekly reports to DHA leadership regarding system/program status

* Develop, update, and/or review RMF documentation to include Security Plans, Implementation Plans, Plans of Action and Milestones (POA&Ms), and Risk Assessment Reports

* Coordinate with other system SMEs to identify and develop authorization boundary diagrams, architecture diagrams, and hardware and software inventories Work Environment:

* Location:

onsite

* Travel Requirements: 35%

* Working Hours:

Standard

Qualifications:

Required:

* Bachelor's Degree and fifteen (15) years of experience with Cybersecurity / Information Technology, or in lieu of a degree eighteen (18) years of hands-on experience with Cybersecurity / Information Technology

* Contract requirements regarding education and experience will prevail.

* An active TS/SCI clearance is required

* Must have experience working with Special Access Programs (SAPs)

* DoD 8570-compliant

* Demonstrated expert-level experience with Risk Management Framework

* RMF policy development, process improvement, and strategy implementation

* Demonstrated expert-level experience with DISA STIGs and SRGs

* Demonstrated efficiency and expert-level experience in RMF package development, including POA&Ms (mitigation statements), Security Plans, Risk Assessments, architecture diagrams, asset inventories, and system/site policies, procedures, and processes

* Experience with Assured Compliance Assessment Solution (ACAS)

* Experience in assessing systems using NIST 800-53, DISA STIGs/SRGs, and ACAS

* Deep familiarity and experience with the DoD tool eMASS

* Experience working within DoD (experience under DHA a plus)

* Excellent customer service and organization skills

* Excellent oral and written communication skills

* Familiarity with NIST publications Desired:
* Experience working under DHA

* Experience with HBSS

* Knowledge in Continuous Monitoring and Risk Scoring (CMRS)

* Experience with Fortify, Web Inspect, and/or App Detective Ready to Make a Difference? If you're excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at K . Let's shape the future together. K  Benefits K  offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible…
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