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Cloud Information Systems Security Engineer (ISSE) with Security Clearance

ClearanceJobs
Chantilly, VA Full Time
POSTED ON 4/12/2026
AVAILABLE BEFORE 5/12/2026
In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a talented Cloud Information System Security Engineer to join our growing team! In this role you will get to support services to advanced customer mission systems throughout the full systems lifecycle. What You'll Be Doing : * Define system security requirements in coordination with security stakeholders including system engineers, program managers, security control assessors, and authorizing officials.

  • Prov ide independent cybersecurity advice and guidance to government stakeholders.
  • Develop or review system security designs and architectures.
  • Support testing of systems during development, reaccreditation and provide evaluation to program stakeholders.
  • Review results from system security scans and advise system engineers on best methods to remediate findings.
  • Support engineering analysis of alternatives, tradeoffs, and risk treatment decisions.
  • Develop and/or review cybersecurity documentation in support of customer Risk Management Framework (RMF) process; in accordance with NIST SP 800-37 Rev 5.
  • Coordinate RMF processing with program and developer staffs.
  • Work with interdisciplinary teams to deliver trustworthy and secure systems. What Required Skills You'll Bring : * Active TS/SCI Clearance with CI Polygraph and ability to maintain one.
  • 5 years of system and/or security engineering work performed in support of U.S. Government customers subject to the Risk Management Framework (NIST 800-53) or Intelligence Community Directive (ICD) 503.
  • (ISC)2 Certified Information System Security Professional (CISSP) OR Certified Cloud Security Professional (CCSP) OR CASP CE certification.
  • Experience reviewing and developing RMF Assessment and Authorization (A&A) documentation, e.g. System Security Plans (SSPs), Security Assessment Reports (SARs), and Plans of Action and Milestones (POAMs).
  • Experience implementing NIST SP 800-53 Revision 5 security requirements and NIST SP 800-53A security assessment procedures. What Desired Skills You'll Bring : * Cybersecurity work performed in support of mission-essential space/ground system acquisitions and implementations.
  • Ability to explain complex cybersecurity issues to a diverse audience in layman's terms
  • Experience with the cyber security of SIGINT solutions.
  • Experience implementing or assessing cybersecurity solutions using technologies such as: * Nessus, WebInspect, Splunk, Open SCAP
  • Microsoft Windows Server Active Directory
  • RedHat Linux
  • Virtualization Platforms: Hyper-V, VMware
  • Real Time Operating Systems (RTOS) (i.e. QNX, VxWorks)
  • VDI (Desktop), Citrix
  • Experience securing cloud-hosted assets in AWS/Azure/etc.
  • Network engineering/design of LANs, WANs, MANs, including underlying routing protocols, and implementation. (TCP/IP, BGP, OSPF)
  • Experience presenting verbal/written communications to Senior leadership including ISSMs, ISOs, security directors
  • Experience with systems engineering lifecycle processes
  • Act as an advisor to the Government ISSM on ATO extensions, body of evidence reviews
  • Experience guiding systems through the approval process per NIST-800-37 RMF
  • Strong initiative and communication skills.
  • Although not explicitly required, successful candidates typically have a B.S. or M.S. degree in a technical field Security Clearance Requirement: An active Top Secret SCI w/Polygraph security clearance is required for this position. This position is part of our Federal Solutions team. The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what's next to deliver the solutions our customers need now. Salary Range: $128,700.00 - $231,700.00 We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle! Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status. We truly invest and care about our employee's wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY! Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/ .

Salary : $128,700 - $231,700

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