Principal Cloud Engineer

General Information
• Requisition: R66788
• Locations: USA-VA-Chantilly
• Posting Date: 03/26/2026
• Security Clearance Required: TSSCI w Poly
• Remote Type: Onsite
• Time Type: Full time

Description & Requirements
Unlock the secrets of intelligence with MANTECH. Join a dynamic team at the forefront of national security providing advanced solutions to government intelligence agencies. Since 1968, weve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics, and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH.

MANTECH seeks a motivated, career and customer-oriented Principal Cloud Engineer to join our team in Chantilly, VA. The Principal Cloud Engineer will leverage their strong technical background and knowledge to design, implement, and manage secure cloud infrastructures in support of mission-critical operations with a strong focus on security monitoring and threat detection. This role supports complex cloud environments by leveraging modern DevOps tools and practices, collaborating across teams to solve technical challenges.

Responsibilities include but are not limited to:
• Supporting AWS, Azure, Oracle, and GCP cloud services and infrastructure using Infrastructure as Code (IaC) tools such as Terraform or ARM templates.
• Troubleshooting and resolving issues related to specific cloud environments while implementing cloud security best practices.
• Leveraging Azure data services including Azure Monitor, Log Analytics, Microsoft Defender, and Microsoft Sentinel to ensure security posture and compliance.
• Writing and maintaining automation scripts in PowerShell, Python, or Azure CLI and executing them using Logic Apps and Azure Functions.
• Configuring network security groups (NSGs), application gateways, and other network controls to protect cloud resources.
• Managing cloud compute, storage, networking, and database services while applying security compliance standards across the organization.
• Working with all stakeholders to ensure complete and functioning systems that meet all requirements.

Minimum Qualifications
• Bachelors degree or 4 additional years of IT experience in lieu of a degree.
• 7 years of experience in cloud engineering and/or development.
• Experience designing and deploying cloud-based solutions using DevOps tools such as Azure DevOps, Jenkins, GitLab, or Docker.
• Experience with Infrastructure as Code (IaC) tools like ARM templates, Terraform, Ansible, or BICEP.
• Familiarity with cloud template technologies including GitHub Enterprise and architecture frameworks such as TOGAF or Zachman.
• Experience automating workflows using scripting tools such as PowerShell, Bash, Python, YAML, or JSON.
• Experience meeting security requirements in the Sponsors environment or similar complex environments.
• DoD 8570 IAT Level 2 certification (e.g., Security+, CCNA Security) or the ability to obtain it within 6 months of hire.

Preferred Qualifications
• Familiarity with container technologies such as Kubernetes and experience with Google Cloud Platform.
• Understanding of Federal Information Processing Standards (FIPS-199), NIST SP 800-53, NIST SP 800-53A, NIST SP 800-37, and DoD Cloud Security Requirements Guide.
• Microsoft certifications such as Azure Administrator Associate, Azure Security Engineer Associate, or Azure Solutions Architect Expert.

Clearance Requirements
• An active TSSCI with Polygraph.

Physical Requirements
• Must be able to remain in a stationary position 50%.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
• Must be able to exchange accurate information in these situations.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

Skills:
ARM (Advanced RISC Machine), Amazon Web Services (AWS), Ansible, Bash Scripting, Best Practices, CCNA – Cisco Certified Network Associate, Cloud Computing, Cloud Storage, CompTIA Security+, Computer Security, Customer Relations, Data Analysis, DevOps, DoD Directive 8140, DoD Directive 8570, Docker, Enterprise Architecture, FIPS (Federal Information Processing Standards) 199, Federal Information Processing Standards (FIPS), GCP (Good Clinical Practices), GitHub, Government Intelligence, IAT – Information Assurance Technical, Identify Issues, Information Technology & Information Systems, Infrastructure as a Service (IaaS), Intelligence Agencies, Internet Security, JSON, Jenkins, Microsoft Certifications, Microsoft Product Family, Microsoft Windows Azure, Office Equipment, Oracle, People Management, Presentation/Verbal Skills, Problem Solving Skills, Python Programming/Scripting Language, Regulatory Compliance, Scripting (Scripting Languages), Security Attacks, Security Compliance, Security Monitoring, Software Development, Software Engineering, TOGAF – The Open Group Architecture Framework, U.S. National Institute of Standards and Technology (NIST), United States Department of Defense (DoD), Windows PowerShell, Zachman Framework

About the Company:
ManTech International Corp

Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.

Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.

Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:

• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.

• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.

• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.

Company Size:
5,000 to 9,999 employees

Industry:
Other/Not Classified

Founded:
1968

Website:
https://www.mantech.com/about