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Mission Critical Cyber Security​/ISSO - TS​/SCI w​/Poly

Job in Warrenton, Fauquier County, Virginia, 22186, USA
Listing for: Leading Path Consulting
Full Time position
Listed on 2026-07-20
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Network Security
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below
Position: Mission Critical Cyber Security/ISSO opportunity - TS/SCI w/ Poly required

Overview

Members of the ISSO team support the assessment and authorization (A&A) process for information systems. The successful candidate will have requisite cyber security experience with methods and tools used to improve the security posture of critical systems, including identifying risks, vulnerabilities, anomalies, patching, auditing, automation, security hardening, best practices, and evaluating system changes. The candidate will collaborate with developers and engineers on projects to create a secure hybrid-cloud environment.

Qualifications
  • Bachelor’s degree in Cybersecurity, IT, or other related technical discipline; or the equivalent combination of education, technical training, or work/military experience
  • Minimum eight (8) years of applied experience or relevant degree plus five (5) years of Cybersecurity expertise with demonstrated ability to shepherd IT projects of varying types through the authorization lifecycle
Required Knowledge/Skills
  • Strong verbal and written communication/cooperation within a team context
  • Supported control implementation assessment and reporting and monitoring processes using cybersecurity and assessment management systems
  • Understanding of perimeter controls (firewalls), access control mechanisms, and network architectures
  • Demonstrated essential understanding of methods for hardening operating systems (e.g., CentOS, Red Hat, Windows)
  • Skilled with and/or demonstrated technical aptitude with vulnerability and risk assessment tools such as Elasticsearch or Splunk SIEMs, Rapid7 Nexpose, and IDS/IPS monitoring and alerting
  • Strong understanding of methodologies for researching and documenting software and hardware vulnerabilities
  • Experienced working closely with stakeholders, developers, and external teams, including customer security managers (ISSMs), organizational leadership, and key personnel
  • Applied experience with the customer’s assessment and authorization tracking tools
  • Knowledgeable regarding Common Control Provider (CCP) requirements and methodology
  • Demonstrated knowledge and experience with networking topologies and hardware, including commonly used/referenced network devices, IDS and IPS, etc.
  • Applied experience with open-source and commercial tools and systems such as nmap, Nessus, Rapid7, Splunk, Nipper, Elasticsearch, Jira, Confluence, Cisco, VMware, Citrix, or Trellix, as well as GOTS tools used by the customer
  • Demonstrated experience with the design and implementation of defense-in-depth solutions
  • Skilled in cross-team collaboration and effective communication to fulfill specific authorization requirements
  • Demonstrated skill documenting processes and procedures in CONOPS and system security, contingency, configuration management and other plans
  • Demonstrated ability to facilitate customer concurrences required for risk-based decisions, especially those requiring waivers
  • Experience assisting the customer with decisions impacting the security posture and compliance of their systems and networks with requirements as documented in NIST 800-53 and its revisions
  • Extensive familiarity with communications protocols, such as TCP/IP, UDP, HTTP/S, SSH, LDAP, etc.
  • Demonstrated experience with security, monitoring and auditing cloud-based technologies, products and services, such as Amazon Web Services (AWS) or Microsoft Azure
  • Knowledge of the customer's organization, their network systems and infrastructure, processes and procedures, and request and approval tools
  • Ability to work within fast-paced customer environments
Desired Skills
  • Experience in scripting/programming languages such as Bash, Power Shell, or Python
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