ManTech International

Senior DevOps Engineer

ManTech International • $165K — $295K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in a technical field with 10+ years of experience in systems, cloud, DevOps, or IT engineering.
  • Proficient in managing AWS cloud infrastructure and enterprise Linux environments (RHEL, CentOS).
  • Skilled in building CI/CD pipelines using tools like Ansible and Kubernetes.
  • Experienced with Git version control and scripting in languages such as Python or Java.
  • Ability to troubleshoot complex issues by analyzing application logic and architecture.

Responsibilities

  • Manage source control workflows using Git, including branching and merging strategies.
  • Build and maintain CI/CD release pipelines across various environments.
  • Act as technical lead for an Agile team, facilitating planning and retrospectives.
  • Perform system administration and performance tuning across Linux and Windows environments.
  • Provision application infrastructure using tools like Ansible and Chef.
  • Manage database deployment infrastructure and Elasticsearch environments.
  • Set up containerized and serverless deployment environments using Docker and Kubernetes.

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Short-term and long-term Disability
  • Retirement and Savings
  • Learning and Development opportunities
  • Wellness programs
Full Job Description
General information

Requisition #

R71133

Locations

USA-MD-Annapolis Junction

Posting Date

10/01/2026

Security Clearance Required

TS/SCI w/ Poly

Remote Type

Onsite

Time Type

Full time

Description & Requirements

MANTECH seeks a motivated, career and customer-oriented Senior DevOps Engineer to join our team in Annapolis Junction, MD.

Responsibilities include but are not limited to:
  • Manage source control workflows using Git, including branching and merging strategies.
  • Build, maintain, and modify CI/CD release pipelines (using Jenkins or Bamboo) and build automation (using Maven or Gradle) across Dev, QA, Staging, and Production environments.
  • Act as technical lead for an Agile team by participating in planning, grooming, demonstrations, and retrospectives, and bridging requirements across stakeholders, developers, and support teams.
  • Perform system administration, monitoring, instrumentation, and performance tuning across enterprise Linux (RHEL, CentOS) and Windows environments to support system resiliency and high availability.
  • Provision and configure application infrastructure and deployments using Ansible, Puppet, Chef, or Software Defined Networking (SDN).Configure and maintain caching and messaging middleware (Memcached, ActiveMQ, Redis) to support application throughput.
  • Manage database deployment infrastructure (MySQL, PostgreSQL) and Elasticsearch environments (including Kibana).
  • Set up containerized and serverless deployment environments utilizing Docker and Kubernetes (including RKE2).
  • Apply security practices, networking protocols, firewalls, and government compliance standards (e.g., NIST, RMF, STIGs) across platform and PaaS environments.
  • Troubleshoot complex issues by reading code logic, analyzing architecture, isolating defects, and automating manual operational processes.
  • Develop, maintain, and review automation scripts using languages such as Python, Java, Go, Ruby, or Shell.


Minimum Qualifications
  • Bachelor's degree in technical field with a minimum of ten (10) years of related systems, cloud, devops, or IT engineering experience.
  • Experience managing and monitoring AWS cloud infrastructure and enterprise Linux environments (such as RHEL or CentOS).
  • Experience building continuous integration and automated deployment pipelines using configuration management (e.g., Ansible, Puppet) and container orchestration tools (e.g., Docker, Kubernetes).
  • Experience with Git version control and writing scripts or application code in at least one object-oriented or scripting language (e.g., Python, Java, Go, Ruby).
  • Ability to read application logic to assist in technical troubleshooting and defect isolation across systems.
  • Experience communicating across cross-functional teams, including developers, testers, and project managers.


Preferred Qualifications
  • Experience with, or knowledge of the following:
    • VMware, Rancher Kubernetes Engine (RKE2), and serverless deployments.
    • Kafka, NiFi, and data flow lifecycle management.
    • Jenkins, Bamboo, Maven, Gradle, and Shell scripting.
    • PostgreSQL, MySQL, Elasticsearch, and Kibana.
    • Ansible, Puppet, Chef, and Software Defined Networking (SDN).
    • PCI compliance standards and firewall configurations.


Clearance Requirements
  • An active TS/SCI with Polygraph is required.


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 technical presentations. Must be able to exchange accurate information in these situations.


The projected compensation range for this position is $165,900.00-$295,300.00. 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.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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