Platform Engineer Jobs in McLean, VA
Platform Engineer jobs in McLean, Virginia are in strong demand, concentrated in the Tysons Corner corridor, the McLean central business district, and along the Route 123 technology spine, across defense contracting, federal IT services, and cloud infrastructure firms. Employers hiring right now include Booz Allen Hamilton, Credence, and Capital One. Scan the live roles below and apply to whichever ones fit.
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The Opportunity:
Apply your expertise in DevSecOps to integrate and enhance security into our sof tware delivery pipelines. This role is instrumental in fortifying mission-critical systems and ensuring compliance with Department of War ( DoW ) cybersecurity mandates. You will serve as a technical expert, using secure development practices and delivering continuous improvement across our CI / CD ecosystem.
You will evolve secure CI / CD pipelines by integrating and automating security tools such as SAST, DAST, SCA, and container scanning to meet DoW requirements and reduce operational risk. You will continuously enhance DevSecOps pipelines by refining vulnerability detection thresholds, tuning scanners, reducing false positives, and optimizing remediation workflows. You will harden infrastructure-as-code ( IaC ) templates, including Terraform, and enforce policy -as-code across environments. You will conduct risk assessments and contribute to system security plans ( SSPs ) and continuous ATO efforts.
You’ll collaborate with development, operations, and security teams to support secure sof tware delivery. You’ll monitor pipeline activity for anomalies and assist in responding to security incidents. You will champion zero t rus t principles and drive adoption across the SDLC.
Join us. The world can’t wait.
You Have:
- 5+ years of experience in cybersecurity engineering, including with DevSecOps in federal or defense environments employing IaC / CaC, CI / CD, and SDLC concepts
- 3+ years of experience in sof tware engineering using Python, Typescript, or Bash and automation frameworks
- 2+ years of experience implementing cybersecurity solutions in AWS cloud and container orchestration such as Kubernetes
- Experience with AI sof tware development, Claude Code, Codex, or Pi
- Experience using Agile and Change Management met hodologies
- Knowledge of best practice cybersecurity and threat-based cybersecurity frameworks, including AI / ML security best practices
- Knowledge of NIST SP 800-53 controls, RMF compliance, eMASS, STIG Manager, STIG Viewer, and SCAP tools
- Ability to obtain a Secret clearance
- HS diploma or GED
Nice If You Have:
- Experience reviewing code samples and applying whitelisting or exemption processes
- Experience developing Zero T rus t security solutions for DevSecOps pipelines
- Experience evaluating security tools and assessing fit for inclusi on in Development or Operational environments
- Knowledge of GRC engineering practices, including policy -as-code implementation, automated compliance validation, continuous control monitoring, security control mapping such as NIST 800-53, RMF, or CIS, risk assessment automation, POA & M management, audit evidence collection, compliance reporting, and integration of GRC requirements into CI / CD and DevSecOps workflows
- Possession of excellent verbal, technical writing, and documentation skills
- Secret clearance
- Bachelor’s degree in Cybersecurity, Computer Science, or a related field
- Security+, AWS Solutions Architect, AWS Security, or CISSP Certification s
Clearance:
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information .
Compensation
At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.
Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.Identity Statement
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.
Candidate AI Usage Policy
AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided .
Work Model
Our people-first culture prioritizes the benefits of collaboration. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.
- Remote : If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.
- Hybrid : If this position is listed as hybrid, you will be expected to work from a Booz Allen or customer facility, in alignment with your leadership's expectations and the needs of the role.
- Onsite : If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.
See All 135+ Platform Engineer Jobs in McLean
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Find Platform Engineer JobsPlatform Engineer Job Market in McLean
Who's Hiring
- Booz Allen Hamilton39

- Credence19

- Capital One19

- Exiger13

- Medallia13

Platform Engineer Jobs in McLean: Frequently Asked Questions
How do I get a platform engineer job in McLean?
Focus on defense contractors, federal systems integrators, and intelligence community vendors, which drive the majority of McLean platform engineering demand. Employers in the Tysons Corner area and along the Route 123 corridor hire heavily for cloud infrastructure, DevSecOps, and Kubernetes orchestration skills. Candidates with clearance eligibility or prior federal IT project experience gain a real edge in this market over those with purely commercial backgrounds.
Which companies hire platform engineers in McLean?
McLean platform engineer roles are posted by Booz Allen Hamilton, Credence, and Capital One and others right now, based on current listings on Migrate Mate as of November 2026. McLean attracts a mix of large defense primes, government IT consultancies, and financial technology firms, all of which maintain active platform engineering teams near the Beltway corridor.
Are there remote platform engineer jobs in McLean?
Yes, though platform engineers supporting federal or classified infrastructure are frequently required on-site due to security and compliance requirements. About 91% of platform engineer openings tied to McLean are remote or hybrid as of November 2026, with the remote share strongest in commercial cloud and SaaS roles. Architecture, pipeline development, and monitoring work tend to be more location-flexible than hands-on datacenter or secure facility roles.
How can I get a platform engineer job in McLean with little or no experience?
The most realistic entry path in McLean is through junior DevOps or site reliability engineering roles at mid-size federal contractors and IT consultancies, which often train candidates on the job for government project pipelines. Pursuing a cloud certification, such as AWS or Azure, and targeting firms that hold existing government task orders gives early-career candidates a concrete foothold in the local market.
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