Jobs in Lorton | Careers in Government

15Jobs found

ISSE- Cleared
- Lorton, Virginia
- Oxenham Group
- Full Time
- Federal Government
All-Source Intelligence Analyst, Mid
- Lorton, Virginia
- BOOZ, ALLEN & HAMILTON
- Full Time
- Federal Government
All-Source Intelligence Analyst
- Lorton, Virginia
- BOOZ, ALLEN & HAMILTON
- Full Time
- Federal Government
All Source Intelligence Analyst
- Lorton, Virginia
- BOOZ, ALLEN & HAMILTON
- Full Time
- Federal Government
HUMINT Targeting Specialist
- Lorton, Virginia
- BOOZ, ALLEN & HAMILTON
- Full Time
- Federal Government
Established Team Owner Operators / CDL-A / $400K - $500K Yearly
- Lorton, Virginia
- Tri-State Motor Transit
- Full Time
- Federal Government
Evening Armed Guard (PT)
- Lorton, Virginia
- Excelsior Defense
- Full Time
- Public Safety
Naval Programs Action Officer
- Lorton, Virginia
- BOOZ, ALLEN & HAMILTON
- Full Time
- Clerical and Administrative Support
- Federal Government
Naval Combat Systems SME
- Lorton, Virginia
- BOOZ, ALLEN & HAMILTON
- Full Time
- Federal Government
Senior Program Analyst
- Lorton, Virginia
- Dextera Corporation
- Full Time
- Federal Government
Captain
- Lorton, Virginia
- Securitas
- Full Time
- Public Safety
Hiring Now! Security Officer– Data Center
- Lorton, Virginia
- Securitas
- Full Time
- Public Safety
Cluster Account Manager
- Lorton, Virginia
- Securitas
- Full Time
- Public Safety
Security Guard– Data Center
- Lorton, Virginia
- Securitas
- Full Time
- Public Safety
Security Guard - $19.75 per hour
- Lorton, Virginia
- Securitas
- Full Time
- Public Safety

FEATURED JOBS

Featured Employers

ISSE- Cleared
- Lorton, Virginia 22199 United States
- Oxenham Group
- Oct 06, 2026
- Full Time
Oxenham Group

Government jobs offer stability, competitive benefits, and the chance to make a meaningful impact on your community and country. Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service. Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.
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Job Details
- Full Time
- Oct 06, 2026
Job Description
Information System Security Engineer (ISSE)
Onsite - Lorton, VA | Active TS/SCI Required | U.S. Citizenship Required

Summary

We are seeking Information System Security Engineers (ISSEs) to join a high-performing team of Cybersecurity, Cloud, and Systems Engineering experts supporting the development and sustainment of secure enclaves, enterprise services, and cyber network defense capabilities.
This is a hands-on engineering role weighted roughly 70% toward building security tooling from the ground up in Trellix ePO or Splunk Enterprise, and 30% toward documentation, including authoring control narratives. As an ISSE, you will conduct security assessments, engineer and automate defensive cyber capabilities, produce supporting documentation, and advise leadership on risk and mitigation. Successful candidates bring depth with technologies such as Trellix ePO, Splunk Enterprise, ACAS, Azure Automation, STIG/SCAP, and Active Directory to secure complex mission systems and ensure compliance with DoD cybersecurity standards.

Responsibilities

Build security tooling from scratch in Trellix ePO or Splunk Enterprise to support Cyber Threat and Defensive Operations (primary focus of the role).

uthor control narratives and supporting documentation in support of certification, accreditation, and ongoing compliance.

Perform and review technical security assessments of computing environments to identify vulnerabilities and compliance gaps.

utomate security monitoring, threat assessments, and reporting functions.

nalyze system and organizational security posture trends, and 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 the 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

Security Clearance: Active Top Secret with SCI (TS/SCI) or above.

Citizenship: U.S. citizenship is required pursuant to a government contract.

Certification: IAT / IAM / IASAE Level III (DoD 8570 compliant).

Experience: 7-10 years of demonstrated performance in related technology areas, including hands-on tooling development in Trellix ePO or Splunk Enterprise and authoring control narratives.

Technical Expertise: Advanced skills in one or more of the following:

ctive Directory (AD DS, ADFS, AD CS, WSUS)

Trellix ePO, Splunk Enterprise, STIG/SCAP, YUM, ACAS automation

zure VPN Gateways, Azure Monitor / Log Analytics

Education: Bachelor's degree in Computer Science, Engineering, or a related field; or equivalent professional experience.

Location & Work Arrangement: Within driving distance of Lorton, VA, or willing to relocate; must be willing to work onsite.

Travel: Up to 10%.

Preferred Qualifications

5+ years of leadership experience in cybersecurity or a related technical field.

Technical certifications in Microsoft Azure or related cloud technologies.

Information System Security Engineer (ISSE)
Onsite - Lorton, VA | Active TS/SCI Required | U.S. Citizenship Required

Summary

We are seeking Information System Security Engineers (ISSEs) to join a high-performing team of Cybersecurity, Cloud, and Systems Engineering experts supporting the development and sustainment of secure enclaves, enterprise services, and cyber network defense capabilities.
This is a hands-on engineering role weighted roughly 70% toward building security tooling from the ground up in Trellix ePO or Splunk Enterprise, and 30% toward documentation, including authoring control narratives. As an ISSE, you will conduct security assessments, engineer and automate defensive cyber capabilities, produce supporting documentation, and advise leadership on risk and mitigation. Successful candidates bring depth with technologies such as Trellix ePO, Splunk Enterprise, ACAS, Azure Automation, STIG/SCAP, and Active Directory to secure complex mission systems and ensure compliance with DoD cybersecurity standards.

Responsibilities

Build security tooling from scratch in Trellix ePO or Splunk Enterprise to support Cyber Threat and Defensive Operations (primary focus of the role).

uthor control narratives and supporting documentation in support of certification, accreditation, and ongoing compliance.

Perform and review technical security assessments of computing environments to identify vulnerabilities and compliance gaps.

utomate security monitoring, threat assessments, and reporting functions.

nalyze system and organizational security posture trends, and 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 the 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

Security Clearance: Active Top Secret with SCI (TS/SCI) or above.

Citizenship: U.S. citizenship is required pursuant to a government contract.

Certification: IAT / IAM / IASAE Level III (DoD 8570 compliant).

Experience: 7-10 years of demonstrated performance in related technology areas, including hands-on tooling development in Trellix ePO or Splunk Enterprise and authoring control narratives.

Technical Expertise: Advanced skills in one or more of the following:

ctive Directory (AD DS, ADFS, AD CS, WSUS)

Trellix ePO, Splunk Enterprise, STIG/SCAP, YUM, ACAS automation

zure VPN Gateways, Azure Monitor / Log Analytics

Education: Bachelor's degree in Computer Science, Engineering, or a related field; or equivalent professional experience.

Location & Work Arrangement: Within driving distance of Lorton, VA, or willing to relocate; must be willing to work onsite.

Travel: Up to 10%.

Preferred Qualifications

5+ years of leadership experience in cybersecurity or a related technical field.

Technical certifications in Microsoft Azure or related cloud technologies.
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Please mention you found this employment opportunity on the CareersInGovernment.com job board.
Oxenham Group

Government jobs offer stability, competitive benefits, and the chance to make a meaningful impact on your community and country.

Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service.

Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.
Oxenham Group
- https://careersingovernment.com/
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Search Jobs In Lorton

15 Jobs in Lorton

ISSE- Cleared

All-Source Intelligence Analyst, Mid

All-Source Intelligence Analyst

All Source Intelligence Analyst

HUMINT Targeting Specialist

Established Team Owner Operators / CDL-A / $400K - $500K Yearly

Evening Armed Guard (PT)

Naval Programs Action Officer

Naval Combat Systems SME

Senior Program Analyst

Captain

Hiring Now! Security Officer– Data Center

Cluster Account Manager

Security Guard– Data Center

Security Guard - $19.75 per hour

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Featured Employers

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