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Sr. Information Systems Security Officer (ISSO) II (6835) with Security Clearance

US Government SolutionsReston, VA🇺🇸United StatesPosted Oct 6, 2026

Quick Overview

Salary
$160k - $175k/yr
Seniority
Mid Senior
Employment type
Employee
Work mode
On Site
Location
Reston, VA, United States
Posted
6 days ago
Encryption

Job Description

WHAT YOU'LL DO

  • Collaborate with government clients to thoroughly understand their system architectures, security requirements, and objectives for achieving and maintaining ATO status within the context of government regulations.
  • Conduct exhaustive security assessments and risk analyses that cater to government system compliance, identifying vulnerabilities and potential threats specific to government systems.
  • Monitor security systems, logs, and network traffic with a keen focus on government cybersecurity guidelines, identifying any suspicious activity, intrusions, or unauthorized access attempts.
  • Collaborate closely with cross-functional teams to establish and maintain government-aligned security measures, including firewalls, intrusion detection systems, data encryption, and access controls.
  • Investigate and analyze security incidents to determine their cause, impact, and appropriate response.
  • Develop and implement incident response plans, including containment, eradication, and recovery strategies.

WHAT YOU'LL NEED

  • 7+ years of experience as a cybersecurity analyst with a specialization in Government System ATO support, demonstrating deep knowledge of government ATO principles, methodologies, and tools.
  • Strong experience in government regulatory frameworks, compliance requirements, and security standards specific to ATO (e.g., NIST SP 800-53, RMF, ICD 503, FISMA, FedRAMP).
  • Demonstrated and repeat experience achieving and maintaining ATO for cloud services and solutions from IL5 to IL6+.
  • Understanding of network protocols, operating systems, and infrastructure components, specifically with cloud infrastructure technologies, CI/CD pipeline tools, and/or container technologies.
  • Strong proficiency in incident response, security incident handling, and forensic analysis techniques.
  • Expertise with government specific ATO assessment tools, vulnerability scanning tools, and intrusion detection/prevention systems.
  • Effective communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
  • CISSP or equivalent certification to support DoD 8140 requirements.

CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph
SALARY RANGE: $160,000 - $175,000
LOCATION: Reston, VA / Washington, DC (on-site)
Candidates willing to relocate to the Reston, VA / Washington, DC area are welcome to apply.

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