Demo

Cleared Information Systems Security Engineer (ISSE) L3

Virtual Service Operations
Lorton, VA Full Time
POSTED ON 12/2/2025
AVAILABLE BEFORE 2/1/2026

Description

Are you looking to take the next steps in your career as an Information Systems Security Engineer (ISSE)? Let's chat and see if we are a good match!

Opportunity:

  

We are seeking Information System Security Engineers (ISSEs) to join a high-performing team of experts in Cybersecurity, Cloud, and Systems Engineering. This team will support the development and sustainment of secure enclaves, providing enterprise services and cyber network defense capabilities.


As an ISSE, you will be responsible for conducting security assessments, engineering secure solutions, automating defensive cyber activities, and advising leadership on risks and mitigation strategies. Candidates should bring expertise with technologies such as ePO, Splunk, ACAS, Azure Automation, STIG/SCAP, and Active Directory to secure complex mission systems and ensure compliance with DoD cybersecurity standards.


  Responsibilities: 

  • Perform and review technical security assessments of computing environments to identify vulnerabilities and compliance gaps.
  • Engineer unique cybersecurity solutions to support Cyber Threat and Defensive Operations.
  • Automate security monitoring, threat assessments, and reporting functions.
  • Analyze system and organizational security posture trends; provide findings to the ISSM/ISSO.
  • Recommend cybersecurity measures and mitigations based on evolving threats and vulnerabilities.
  • Implement security controls in alignment with DoD policies and principles of confidentiality, integrity, availability, authentication, and non-repudiation.
  • Recommend and plan modifications based on exercise results and security testing outcomes.
  • Mitigate or recommend acceptance of identified risks and deficiencies during certification and testing activities.

  

Required Qualifications: 

  • Certification: IAT/IAM/IASAE Level III (DoD 8570 compliant)
  • Technical Expertise: Advanced skills in one or more of the following:

o Active Directory (AD DS, ADFS, AD CS, WSUS)

o ePO, Splunk, STIG/SCAP, YUM, ACAS automation

o Azure VPN Gateways, Azure Monitor/Log Analytics

  • Experience:

o 5–8 years of demonstrated performance in related technology areas.

  • Education:

o Bachelor’s degree in Computer Science, Engineering, or related field and 3 years of leadership experience.

o OR equivalent professional experience.

  • Travel:

o Up to 10%

  • Security Clearance: Active Top Secret with SCI 

Preferred Qualifications: 

  • 5 years leadership experience in cybersecurity or related technical field.
  • Technical certifications in Microsoft Azure or related cloud technologies.


Requirements

  • Must be within driving distance of Lorton, VA OR willing to relocate there
  • Must be willing to work onsite
  • Must be willing and able to travel up to 10%
  • Must possess an active TS/ SCI clearance or above
  • Please note that pursuant to a government contract, this specific position requires U.S. citizenship status
  • DoD 8570 Level III compliant certification is required

What is Important to Us:

  • You are an excellent communicator in writing and speaking.
  • You have the ability to work independently but also value teamwork.
  • Your problem-solving skills are excellent.
  • You are looking for a job where performance appraisals occur regularly, and you look forward to advancing your career.
  • You seek a community of virtue-centered co-workers and clients.

What we offer you: As part of the VSO company, you will be part of a virtue-centered team who value their work and teammates. This is a no-jerk zone. We provide ongoing learning and development opportunities to foster continuous growth. We offer competitive salaries, health benefits, and flexible work arrangements.


More About VSO: VSO is a hybrid cloud and managed services consulting firm. Much of VSO’s success can be attributed to our deep partnerships with IT services industry leaders such as AWS, IBM, Microsoft and others. VSO leverages numerous other partner relationships so as to provide our customers with optimal support. Additionally, we take pride in taking care of our employees. We offer a wide variety of benefits for eligible employees related to health, retirement, professional development, and more! For more information, please visit our website at https://vso-inc.com/careers

Salary : $140,000 - $180,000

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