Senior DevOps Engineer

MANTECH; Maryland; On-site; USD 140,000 - 170,000; Full time

Job summary

MANTECH is seeking a Senior DevOps Engineer in Annapolis Junction, MD to lead automation, CI/CD, and cloud operations across Linux and Windows environments. The role requires deep Jenkins/Docker/Kubernetes experience, Ansible/Puppet, and strong scripting skills.

You will drive infrastructure provisioning, security compliance, and cross-functional collaboration with development and operations teams. You will guide release pipelines, optimize performance, and implement scalable architectures while

Qualifications

• Requires a Bachelor's degree in a technical field and 10+ years in systems, cloud, DevOps, or IT engineering.
• Experience managing AWS cloud infrastructure and Linux environments (RHEL/CentOS).
• Experience building CI/CD pipelines with Ansible/Puppet and Docker/Kubernetes.

Responsibilities

• Manage source control workflows using Git, including branching and merging strategies.
• Build, maintain, and modify CI/CD release pipelines across Dev, QA, Staging, and Production environments.
• Act as technical lead for an Agile team and bridge requirements across stakeholders, developers, and support teams.
• Perform system administration, monitoring, instrumentation, and performance tuning for Linux and Windows environments.
• Provision and configure infrastructure with Ansible, Puppet, Chef, or SDN; maintain Memcached, ActiveMQ, Redis sloc.
• Manage MySQL/PostgreSQL deployment and Elasticsearch (Kibana).
• Set up Docker/Kubernetes (including RKE2) deployments, containerized and serverless.
• Apply security practices and standards (NIST, RMF, STIGs) across platforms.
• Troubleshoot complex issues by reading code and architecture and automating tasks.
• Develop and review automation scripts in Python, Java, Go, Ruby, or Shell.

Skills

Communication

Cross-functional teamwork

Troubleshooting

Code reading

Education

Bachelor's degree in technical field

Tools

Git

AWS

Docker

Kubernetes

Ansible

Puppet

Chef

Jenkins

Bamboo

Maven

Gradle

Shell scripting

RKE2

VMware

Kafka

NiFi

PostgreSQL

MySQL

Elasticsearch

Kibana

SDN

RMF

STIGs

Job description

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 Requirement s

• 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.