Senior DevSecOps/Cloud Platform Engineer with Security Clearance

TMC Technologies is in search of an experienced DevSecOps/Cloud Platform Engineer to support the modernization, automation, and ongoing operations of enterprise infrastructure within a secure AWS GovCloud environment. The ideal candidate will have strong experience with containerized applications, Red Hat OpenShift, CI/CD pipelines, infrastructure automation, and security-focused cloud operations.

The position will support the program's transition from traditional virtual machine infrastructure to containerized platforms while improving deployment efficiency, operational reliability, and security compliance. The candidate must be a US citizen and possess a minimum of an active Secret clearance to start due to federal contract requirements. This position is considered to be a fully remote position; however, staff may be required to support face-to-face meetings with the business line or end users. There is potential for face-to-face SAFe ceremonies on occasion.

Responsibilities and experience of the Senior DevSecOps/Cloud Platform Engineer include:

• Support administration and operational readiness of AWS and OpenShift infrastructure.
• Develop and improve CI/CD pipelines to automate application and infrastructure deployments.
• Support migration of enterprise applications from VM-based infrastructure to containerized environments.
• Implement infrastructure automation to reduce manual configuration and deployment activities.
• Troubleshoot cloud infrastructure, Kubernetes workloads, networking, and application connectivity.
• Collaborate with infrastructure, application development, security, and operations teams to resolve technical issues.
• Integrate security and compliance requirements into deployment and infrastructure management processes.
• Maintain accurate infrastructure documentation, architecture diagrams, and operational procedures.
• Identify opportunities to improve platform reliability, scalability, and operational efficiency.

Job Requirements US Citizenship and active Secret clearance required   7+ years of hands-on systems administration experience Bachelor's degree required Cloud Infrastructure: Hands-on experience administering AWS environments, including EC2, VPC, IAM, S3, load balancing, and networking. Containers & Orchestration: Experience deploying, managing, and troubleshooting Docker containers and Kubernetes-based workloads. DevOps / CI/CD: Experience developing and maintaining automated build, testing, and deployment pipelines using GitLab CI/CD, Jenkins, or comparable technologies. Infrastructure as Code: Experience with Terraform, Ansible, CloudFormation, or similar infrastructure automation tools.

Linux Administration: Strong Red Hat Enterprise Linux (RHEL) administration, troubleshooting, scripting, and system configuration experience.

DevSecOps: Experience integrating security scanning, vulnerability remediation, secrets management, and compliance controls into infrastructure and deployment workflows. Networking & Security: Understanding of DNS, TLS/SSL certificates, firewalls, load balancers, network connectivity, and secure application communication.

Troubleshooting: Ability to independently diagnose infrastructure, application deployment, and connectivity issues across complex enterprise environments.

Preferred Qualifications: Hands-on experience with Red Hat OpenShift Service on AWS (ROSA), including cluster administration and troubleshooting. Experience supporting application migrations from traditional VMs to containerized platforms. Familiarity with AWS GovCloud and federal security requirements. Experience supporting Pega or other enterprise application platforms. Experience with GitLab repository management, pipeline development, and migration from legacy CI/CD solutions. Knowledge of container security, image scanning, RBAC, and Kubernetes networking.

Experience with Tomcat administration. Experience with Secrets Management and GitOps processes. Experience with monitoring and observability tools such as Splunk, Grafana, Prometheus, or OpenSearch. Experience with automated patching, configuration management, and vulnerability remediation. Familiarity with high-availability architectures, disaster recovery, and production release management.

Additional Qualifications: Strong analytical and problem-solving abilities. Ability to work independently and collaborate across multidisciplinary technical teams. Experience operating in structured change-management and production support environments. Strong technical documentation and communication skills. Ability to meet applicable federal background investigation and security clearance requirements. We are equal opportunity/affirmative action employers, committed to diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, or protected veteran status, or any other protected characteristic under state or local law.