Top 1463 Security engineer Jobs in Chantilly, Va

RMF Security Engineer - ACTIVE SECRET Required
Cornerstone Technology —Alexandria, VA
- $115,000 - $124,000 a year
- Full-time
- Hybrid work
- 5 years
- Office
- Senior level
- Health savings account
- Health insurance
Quick Apply
11d
Senior Healthcare Infrastructure, Cloud & Security Engineer
United Theranostics —Bethesda, MD
- $120,000 - $200,000 a year
- Full-time
- DevOps
- System design
- HIPAA
Quick Apply
Security Engineer
Vibotek LLC —Virginia
- Contract
- Mid-level
Quick Apply
Security Engineer
Agile Defense —Springfield, VA
- $120,000 - $140,000 a year
- Hybrid work
- System design
- Senior level
- Commercial
Quick Apply
SW Cyber Security Engineer
Glint Tech Solutions LLC —Reston, VA
- Hybrid work
- Mid-level
- Windows
- Java
Quick Apply
Systems Engineer (SoHo Devices)
Arcfield —Chantilly, VA
- $110,204.91 - $179,802.75 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Disability insurance
Cyber Security Analyst - Entry
Makoa —Arlington, VA
- Full-time
- Computer Science
- Bachelor of Science
- Mid-level
Quick Apply
Systems Engineer
Arcfield —Chantilly, VA
- $110,204.91 - $179,802.75 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Disability insurance
Junior Security Engineer
Maximus —Tysons, VA
- $40,000 - $65,000 a year
- Remote
- Computer science
- Azure
- Computer Science
- Paid holidays
- Disability insurance
Cyber Security Systems Engineer III
Amentum —Chantilly, VA
- $220,000 - $225,000 a year
- Full-time
- Senior level
- Employee stock purchase plan
- Paid holidays
10d
Endpoint Security Engineer
AAC Inc —Vienna, VA
- $125,000 - $140,000 a year
- Customer service
- Bachelor of Science
- Mid-level
Quick Apply
Information Security Engineer
LT Consulting LLC —Reston, VA
- Computer Science
- Mid-level
- Windows
Systems Engineer (TD Support)
Arcfield —Chantilly, VA
- $110,204.91 - $179,802.75 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Disability insurance
SOC / Incident Response Engineer
CyberData Technologies —Herndon, VA
- Research
- Mid-level
- Paid time off
Jr. Soc Analyst
DISRUPTIVE SOLUTIONS LLC —Vienna, VA
- Full-time
- Research
- Analysis skills
- Bachelor's degree
Quick Apply
Network Security Engineer (Multiple Levels)
Noblis —Washington, DC
- $105,100 - $198,575 a year
- Full-time
- Remote
- System design
- 3 years
- Master's degree
- Health insurance
- Tuition reimbursement
Security Operations Center Analyst I (SOC)
SecuriGence —Arlington, VA
- $52 - $57 an hour
- Full-time
- Pass drug screening
- Mid-level
- High school diploma or GED
IT & Cyber Security Engineer
OnTrac —Washington, DC
- $125,600 - $188,400 a year
- Remote
- HIPAA
- Mid-level
- 8 years
- Paid parental leave
- Paid holidays
Quick Apply
Security Analyst
Integral —McLean, VA
- $137,710 - $164,037 a year
- Full-time
- Computer Science
- Research
- Mid-level
- Paid parental leave
- Paid holidays
RHEL STIG Engineer
CACI —Chantilly, VA
- $86,600 - $181,800 a year
- Full-time
- 5 years
- Writing skills
- HIPAA
- Health insurance
14d

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security engineer jobs near chantilly, va

RMF Security Engineer - ACTIVE SECRET Required

Cornerstone Technology
Alexandria, VA

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Job Details

Full-time
$115,000 - $124,000 a year
11 days ago

Benefits

Health savings account
Health insurance
Dental insurance
401(k)
Paid time off
Vision insurance
401(k) matching
Life insurance
Retirement plan

Qualifications

Security audits
Document compliance management
Risk management compliance audits
Content creation for technical audiences
Regulatory compliance evaluation
Vulnerability scanning implementation
NIST SP 800-53
Technical documentation
Security risk assessment investigation
IT system monitoring
Testing and evaluation
Secret Clearance
Security testing methodologies
Regulatory Frameworks (Architecture security)
Technical writing
IAT
Cybersecurity
Technical writing experience within technology
CompTIA Security+
RMF
IAT Level II
Security technology solutions implementations
Vuls
Risk management framework
Stakeholder management
IT security monitoring

Full Job Description

RMF Security Engineer

Job Title: RMF Security Engineer

Location: Hybrid – Occasional on-site at Mark Center, Alexandria, VA (less than 10% of the time, as needed)

On-site Expectations: >10% as needed when deemed necessary

Clearance Required: Active Secret Clearance (Tier 3)

Employment Type: Full-Time

Target Start Date: July 27, 2026

Overview

Cornerstone Technology Enterprises is seeking an experienced RMF Security Engineer to support our government customer at DMDC. This hybrid role requires occasional on-site presence at the Mark Center and focuses on end-to-end Risk Management Framework (RMF) support, including Authority to Operate (ATO) packages, eMASS management, and DoD cybersecurity compliance.

You will interpret risk and recommend approaches to meeting DoD compliance and cybersecurity requirements in accordance with the NIST Risk Management Framework (RMF) and DoD policy, working across the full RMF lifecycle from control mapping through continuous monitoring.

Candidates with a background in RMF security engineering, A&A, or cybersecurity compliance within DoD environments are strongly encouraged to apply. This role is classified under a contract labor category as Network and Computer Systems Administrator – Journeyman.

What You Will Do

RMF Assessment & Authorization

Map, implement, interpret, and document RMF security controls across information systems
Manage the full RMF lifecycle from categorization through continuous monitoring
Develop and submit Authorization to Operate (ATO) packages
Manage and maintain system records in the eMASS cybersecurity management tool

Risk & Compliance Management

Manage Plans of Action & Milestones (POA&M)
Develop and maintain system security documentation, including System Security Plans (SSPs), POA&Ms, and ST&Es
Conduct Security Test & Evaluations (ST&E) and create supporting system documentation
Perform risk assessments, threat assessments, and support third-party audits
Ensure compliance with NIST 800-53 standards and DoD policy

Vulnerability & Technical Assessment

Generate and interpret ACAS scans to identify system vulnerabilities
Monitor remediation efforts and mitigation strategies
Implement and evaluate manual Security Technical Implementation Guides (STIGs) using SCAP and SCAP Compliance Checker (SCC)
Plan and monitor security control implementation for the protection of networks, enclaves, and information systems

Documentation & Stakeholder Support

Partner closely with highly technical administrators to strengthen overall security measures
Communicate risk posture and compliance status clearly to technical and non-technical stakeholders
Maintain accurate documentation across A&A platforms such as eMASS, CSAM, and Xacta

Required Qualifications

Active Secret Clearance (Tier 3)
5+ years of experience in RMF / security engineering
Experience mapping, implementing, interpreting, and documenting RMF security controls
Experience managing the eMASS cybersecurity management tool
Experience developing and submitting at least six (6) ATO packages
Thorough understanding of the RMF Assessment and Authorization (A&A) process, including all phases of the RMF lifecycle
Proven experience managing POA&M, conducting ST&E, performing risk assessments, and ensuring NIST 800-53 compliance
Ability to generate and interpret ACAS scans and monitor remediation efforts
Working knowledge of manual STIGs, SCAP, and SCC
Working knowledge of A&A platforms such as eMASS, CSAM, and Xacta
CompTIA Security+ certification (or equivalent DoD 8570 IAT Level II)
Excellent communication and technical writing skills

Preferred Qualifications

Previous experience in a technical role such as a system or network administrator
Strong communication skills, with experience working closely with highly technical administrators
Background supporting DMDC or other large-scale DoD IT operations programs
Familiarity with DoD privacy and financial control requirements

Why Join Cornerstone?

Cornerstone Technology Enterprises is a veteran-owned small business with deep experience supporting federal and defense missions. Our teams operate inside production environments, supporting systems that matter, while maintaining a culture that values trust, accountability, and technical excellence.

This role offers the opportunity to work in a hybrid capacity while contributing directly to a national-level DoD cybersecurity and risk management program.

Job Type: Full-time

Pay: $115,000.00 - $124,000.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Health insurance
Health savings account
Life insurance
Paid time off
Retirement plan
Vision insurance

License/Certification:

CompTIA Security+ (Required)

Security clearance:

Secret (Required)

Ability to Commute:

Alexandria, VA 22350 (Required)

Work Location: Hybrid remote in Alexandria, VA 22350

Quick Apply

Refine Your Search

security engineer jobs in chantilly, va

RMF Security Engineer - ACTIVE SECRET Required

Senior Healthcare Infrastructure, Cloud & Security Engineer

Security Engineer

Security Engineer

SW Cyber Security Engineer

Systems Engineer (SoHo Devices)

Cyber Security Analyst - Entry

Systems Engineer

Junior Security Engineer

Cyber Security Systems Engineer III

Endpoint Security Engineer

Information Security Engineer

Systems Engineer (TD Support)

SOC / Incident Response Engineer

Jr. Soc Analyst

Network Security Engineer (Multiple Levels)

Security Operations Center Analyst I (SOC)

IT & Cyber Security Engineer

Security Analyst

RHEL STIG Engineer

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