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Information System Security Engineer (ISSE)-Level 3, OS&CI Job # with

Allen Integrated Solutions LLC
Aurora, CO Full Time
POSTED ON 4/17/2025
AVAILABLE BEFORE 5/16/2025

Information System Security Engineer (ISSE)-Level 3, OS&CI Job #

Employer : Allen Integrated Solutions LLC

Increase your chances of an interview by reading the following overview of this role before making an application.

Location : Aurora

Salary : Competitive

Closing date : 29 Dec 2024

Sector : IT

Job Role : Security Engineer

Job Type : Permanent

Clearance Required : TS / SCI with Current CI Poly

Location : Aurora, CO – 100% onsite

Minimum Years Experience : 5 years

Overall Assignment Description :

In this role you will ensure cybersecurity requirements are identified, allocated, implemented, verified and continuously monitored throughout the system life cycle.

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.
  • Ensure cybersecurity requirements are identified, allocated, implemented, verified and continuously monitored throughout the system life cycle.
  • Coordinate RMF processing with program, developer and authorizing stakeholders to achieve ATOs.
  • Provide independent cybersecurity advice and guidance to government stakeholders.
  • Develop or review system security designs and architectures.
  • Advise system engineers on best methods to remediate vulnerability findings through the use of security scanning tools.
  • Support engineering analysis of alternatives, tradeoffs, and risk treatment decisions.
  • Develop cybersecurity documentation in support of customer Risk Management Framework (RMF) process; in accordance with NIST SP 800–37 Rev 2.
  • Work with interdisciplinary teams to deliver trustworthy and secure systems.

What Required Skills You'll Bring :

  • 5 years minimum of system and / or security engineering work performed in support of U.S. Government customers subject to Intelligence Community Directive (ICD) 503.
  • ISC)2 Certified Information System Security Professional (CISSP) or Certified Cloud Security Professional (CCSP) certification.
  • Review and development of RMF Assessment and Authorization (A&A) documentation, e.g. System Security Plans (SSPs), Security Assessment Reports (SARs), and Plans of Action and Milestones (POAMs).
  • Proven ability to balance priorities in a dynamic, mission–oriented environment.
  • Strong initiative and communication skills.
  • What Desired Skills You'll Bring :

  • Experience implementing NIST SP 800–53 Revision 4 security requirements and NIST SP 800–53A security assessment procedures.
  • Knowledge of Cloud (i.e. Azure, Amazon C2S, Commercial and GovCloud) security planning, design, and operations.
  • Ability to explain complex cybersecurity issues to a diverse audience in layman's terms.
  • Engineering work performed in national security mission environments.
  • Experience implementing or assessing cybersecurity solutions using technologies such as : Nessus, WebInspect, Splunk, Open SCAP Microsoft Windows, Server, Active Directory RedHat Linux; CentOS, Virtualization Platforms : Hyper–V, VMware VDI (Desktop), Citrix.
  • Network engineering / design of LANs, WANs, MANs, including underlying routing protocols, and implementation. (TCP / IP, BGP, OSPF)
  • Knowledge of Cross Domain Solutions (CDSs).
  • Experience presenting verbal / written communications to Senior leadership including ISSMs, System Owners, Authorizing officials, security directors.
  • Experience with systems engineering lifecycle processes.
  • Experience as an advisor to the Government ISSM on ATO extensions, body of evidence reviews.
  • Participating in RFC / CCB reviews as voting member for Government customer programs.
  • Experience guiding systems through the RMF approval process per NIST–800–37.
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