Senior DevSecOps Engineer

Job Type: Full- Time

Workplace Type: Onsite

Clearance: TS/SCI willingness to take a polygraph exam


Job Summary

Castalia Systems is seeking a Senior DevSecOps Engineer to work closely with your clients to understand their questions and needs and then dig into their data-rich environments to find the pieces of their information puzzle.

The preferred candidate is a hands-on senior engineer who can bridge database engineering, API development, DevSecOps automation, and secure platform architecture. This person should be comfortable taking an initial concept, building an MVP, working directly with platform teams, and turning the solution into reusable templates and implementation patterns for multiple database technologies. The candidate will be responsible to design, tune, and maintain relational and NoSQL databases, including PostgreSQL, MySQL, Aurora, Oracle, MongoDB, and AWS RDS-based services. They will support database migration, backup, replication, disaster recovery, and point-in-time recovery activities. Support secure software delivery in accordance with DoD, IC, RMF, ICD-503, NIST SP 800-53, STIG, and continuous monitoring requirements.

Roles and Responsibilities

A qualified candidate will perform the following duties and responsibilities, but are not limited to:

• Design, build, harden, and operate CI/CD systems, cloud infrastructure, and container platforms that support the software lifecycle from code commit through production deployment.
• Partner with multiple project teams to embed security controls, automate delivery workflows, and build scalable, resilient environments.

Required Qualifications

• Bachelor's degree in a STEM field or equivalent work experience.
• 8 years of experience in DevSecOps, DevOps, Cloud Engineering, or platform automation roles.
• Experience designing and maintaining CI/CD pipelines with GitLab CI or GitHub Actions.
• Experience deploying cloud infrastructure on AWS, Azure, or Google Cloud Platform using IaC, such as Terraform, CloudFormation, or CDK.
• Experience containerizing and orchestrating workloads using Docker or similar containerization and Kubernetes.
• Experience integrating automated security checks into CI/CD pipelines, such as SAST, SCA, or image scanning.
• Experience in Linux administration and proficiency in scripting languages, such as Python, Bash, or Go.
• Experience with Git based branching, tagging, and release workflows.
• Experience with networking fundamentals, such as DNS, routing, load balancing, or TLS.
• Cloud or DevOps Certifications, such as AWS Solutions Architect, CKA, CKAD.
• Security Certification.
• Active TS/SCI clearance; willingness to take a polygraph exam.

Preferred Qualifications

• Master's degree in Physics, Computer Science, or a STEM field
• Experience with GitOps tooling, such as Flux, Argo CD, or Helmfile
• Experience optimizing CI/CD pipelines, such as caching, artifacts, or parallelization
• Experience implementing Zero Trust patterns, hardened container images, or compliance focused deployments such as STIG or CIS Benchmarks
• Experience with AWS security services, such as GuardDuty, Macie, Inspector, or equivalent Azure or Google Cloud Platform tools
• Experience with observability platforms such as Prometheus, Grafana, ELK, or CloudWatch
• Experience with configuration management systems such as Ansible, Chef, or Puppet
• Experience with AI augmented development workflows or agentic tools

Physical Requirements/Work Environment

• Normal office environment.

Travel

• As required

Company Description

Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application.

With our vast knowledge of our customers needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it's so evident when you compare us with anyone.

Compensation

At Castalia Systems, we provide you with opportunities and choices and support your total well-being. Our benefits include: Medical, dental, vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. All regularly scheduled employees working at least 30 hours per week are eligible to participate in Castalia Systems benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits.

Salary at Castalia Systems is determined by various factors, including but not limited to location, position knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $140,000.00 to $145,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Castalia Systems total compensation package for employees.

Disclaimer

Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct.

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Salary : $140,000 - $145,000