Infrastructure Engineer

General information Requisition #

R70572

Locations USA-VA-Herndon Posting Date 09/08/2026 Security Clearance Required TS/SCI 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, we've 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 Infrastructure Engineer to join our team in Herndon, VA . In this role you will assist with database sizing and management as well as perform routine maintenance and administration tasks on the infrastructure hosting our applications, including our development, testing, training, and production environments. In this role, you will work alongside Software Developers, DevOps Engineers and Data Engineers to build unique software that enables our customer network to safely operate at scale without customer impact. Responsibilities include, but are not limited to: Deploy, provision, and secure AWS resources including EC2, S3, RDS, EBS, CloudWatch, and VPC, assisting with database sizing, management, and server security Build, maintain, and troubleshoot CI/CD pipelines using GitLab, GitHub, or Jenkins to support continuous integration and deployment Design, build, maintain, and troubleshoot Kubernetes clusters to ensure uninterrupted development productivity across all environments Run vulnerability scans, patch physical and cloud infrastructure, manage VPNs, and ensure SSL/TLS certificates remain current Maintain and update software architecture, focusing on secure infrastructure enhancements, system design, operational best practices, and proactive innovation Collaborate closely with peers and customers in a fast-paced environment to enhance performance and scalability Minimum Qualifications: High School Diploma 7+ years of experience working with SQL databases 4+ years of experience with Linux or Windows system administration 2+ years of experience working with Elasticsearch 2+ years of experience working with Kubernetes Experience with systems design and scalability Preferred Qualifications: Experience working with large-scale, enterprise-class network environments Experience designing secure infrastructure enhancements to support new capabilities and performance optimization Experience working in multi-disciplinary teams alongside DevOps Engineers and Data Engineers Strong detail orientation, problem-solving capabilities, and effective verbal/written communication skills Clearance Requirements: Current/Active TS/SCI with Polygraph is required for this position. Physical Requirements: Must be able to remain in a stationary position 50% of the time. The projected compensation range for this position is $128,000.00-$214,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. 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 View email address on click.appcast.io and provide your name and contact information. ManTech International Corporation