What are the responsibilities and job description for the Application Security Engineer position at Greenbrier Government Solutions, Inc?
Position Summary:
The Application Security Engineer position supports secure application development and cybersecurity operations for Federal DoD programs. The role requires a deep expertise in application security, software development, federal cybersecurity standards, and secure architecture. Will be responsible for senior-level leadership in information security, secure SDLC integration, and compliance with federal security frameworks such as NIST 800‑53, NIST 800‑37 RMF, FedRAMP, and agency-specific security baselines.
Primary Responsibilities:
· Serve as the primary application security SME for the project, ensuring compliance with NIST, FISMA, FedRAMP, DHS, DoD, and agency-specific security requirements.
· Guide system teams through Risk Management Framework (RMF) steps related to application security, including control implementation, evidence gathering, and POA&M mitigation.
· Lead security architecture reviews for mission-critical systems, ensuring secure-by-design principles across federal systems and networks.
· Integrate security into the federal SDLC by defining secure coding standards, conducting code reviews, and providing architectural input.
· Conduct and lead advanced security testing.
· Provide CISSP-level expertise on risk evaluation, compensating controls, and secure architecture guidance.
· Guide enterprise risk posture by advising leadership on vulnerabilities, mitigations, and long-term remediation planning.
· Ensure secure configurations of cloud resources within AWS GovCloud FedRAMP environments.
· All other duties as assigned by management.
Skills and Qualifications:
· Bachelor’s degree in computer science or related field
· 10 years in application development and IT security
· Experience performing risk assessments for Federal systems in AWS GovCloud
· Experience supporting FedRAMP High/Moderate systems
· Knowledge in Java, Python, HTML, SQL, CSS and cloud computing
· Excellent communication and management skills.
Certifications Required:
· Certified Secure Software Lifecycle Professional (CSSLP)
· Certified Information Systems Security Professional (CISSP)
· CompTIA Security
Certifications Preferred:
· Certified Ethical Hacker (CEH)
Security Clearance Requirements:
· Must be a U.S. Citizen
· Must have an active DoD Secret clearance.
Work Location:
· 3 days in Fairfax, VA, 2 days in Washington, D.C.
Pay: From $50,000.00 per year
Benefits:
- 401(k)
- 401(k) matching
- Dental insurance
- Flexible schedule
- Health insurance
- Paid time off
- Parental leave
- Retirement plan
- Tuition reimbursement
- Vision insurance
Work Location: In person
Salary : $50,000