DevSecOps Engineer

Unissant; Ashburn (VA); Hybrid; USD 130,000 - 170,000; Full time

Job summary

Unissant seeks a DevSecOps Engineer to join our team in Ashburn, VA, supporting modernization for a federal client. The role emphasizes secure automation, CI/CD pipelines, and GitOps with GitLab, Harness, and ArgoCD in Kubernetes environments.

The ideal candidate has 7–10 years of DevSecOps experience, strong AWS and Terraform skills, and a proven ability to secure software delivery while enabling scalable, compliant deployments.

Qualifications

• 7-10 years of experience in related field.
• In-depth knowledge of DevSecOps principles, continuous integration, security automation, and compliance enforcement in federal or secure environments.
• Hands-on expertise in: CI/CD automation using GitLab, Jenkins/Harness/ArgoCD CD and GitOps to Kubernetes, IaC Terraform for cloud provisioning.

Responsibilities

• Develop, implement, and maintain automated CI/CD pipelines using GitLab, Harness, enabling secure, efficient software delivery.
• Design and manage GitOps pipelines leveraging ArgoCD for auditable deployments.
• Integrate security best practices into all phases of the DevOps lifecycle, including automated security testing and compliance checks.
• Collaborate with developers, data scientists, and system engineers to enforce DevSecOps standards and remediate vulnerabilities.
• Ensure resiliency, scalability, and maintainability of cloud-based or hybrid environments.
• Monitor, troubleshoot, and optimize performance, security, and health of pipelines and infrastructure.
• Provide training and promote best practices among multidisciplinary teams.

Skills

GitLab CI

Jira/Confluence

GitOps

Kubernetes

Docker

ArgoCD

Harness

Dynatrace

Elasticsearch

Kibana

Splunk

Prometheus

Grafana

Terraform

AWS

Git

CI/CD

Security automation

Education

Bachelor's Degree in Computer Science or related field

Tools

Terraform

GitLab

Jenkins

Harness

ArgoCD

Kubernetes

Docker

Job description

Unissant, Inc. delivers innovative capabilities to the agencies that keep our nation healthy and safe. We apply our domain expertise, data acumen, and technology know-how to achieve breakthrough results for our clients. Working collaboratively, we advance missions and careers through a focus on honesty, integrity, and dependability. We continuously look for talent, excited to join that effort. To learn more about our exciting organization, please visit us at www.unissant.com.

We are seeking a DevSecOps Engineer to join our team in supporting modernization initiatives for our federal client. The ideal candidate excels in DevSecOps automation, is proficient in GitLab, Jira/Confluence, GitLab CI pipelines, Kubernetes, Harness, ArgoCD, Docker, Dynatrace/AppDynamics, Elasticsearch/Kibana, Splunk, Prometheus/Grafana and is committed to securing and streamlining software delivery and infrastructure.

Qualified applicants will be subject to a security investigation and must meet minimum qualifications for access to classified information. This is a highly technical position; individuals will be screened by peers in a technical review of skills and experience.

Essential Duties and Responsibilities:

• Develop, implement, and maintain automated CI/CD pipelines using GitLab, Harness, enabling secure, efficient software delivery.
• Design and manage GitOps pipelines leveraging ArgoCD to ensure consistent, auditable, and declarative infrastructure and application deployments.
• Integrate security best practices into all phases of the DevOps lifecycle, performing automated security testing and compliance checks.
• Collaborate with software developers, data scientists, and system engineers to enforce DevSecOps standards, streamline deployment, and remediate vulnerabilities.
• Ensure the operational resiliency, scalability, and maintainability of cloud-based or hybrid environments supporting modernization goals.
• Monitor, troubleshoot, and optimize the performance, security, and health of infrastructure and deployment pipelines.
• Maintain documentation, provide training, and promote best practices among multidisciplinary teams. Design, build and maintain CI/CD, testing, and operations infrastructure.
• Develop custom tools and automation through programming and scripting.
• Pro-actively identify areas to drive automation across platforms.
• Develop innovative strategies, processes automation, fail-over experience
• Design and setup of new large cloud clusters.
• Provide support to implement Change/Service Requests per application needs.
• Automate infrastructure provisioning and configuration management with Infrastructure as Code (IaC) solutions, primarily using Terraform.

Work Experience and Job Skills:

Required:

• 7-10 years of experience in related field.
• In-depth knowledge of DevSecOps principles, continuous integration, security automation, and compliance enforcement in federal or secure environments.
• Hands-on expertise in:
  • CI/CD automation using GitLab, Jenkins/Harness/ArgoCD Continuous Delivery (CD) and GitOps workflows deploying to Kubernetes.
  • Prefer Infrastructure as Code (IaC): Terraform for cloud and hybrid infrastructure provisioning.
• Proficiency with version control (Git), containerization (Docker, Kubernetes), and integrating security controls into delivery pipelines.
• Experience with monitoring and log aggregating frameworks such as Dynatrace, ElasticSearch
• Proficiency in managing AWS services like EC2, ECS, ECR, EKS, NLB, ALB, RDS, S3, Kafka, Cloud monitoring services, VPC and other network layers.
• Experience in migration of applications from on premises to cloud.
• Knowledge of OO programming and concepts (Java, C++, C#, Python)
• Experience in configuration management technologies such as Chef, Puppet or Ansible.
• Experience with AWS or another cloud PaaS provider.
• Solid understanding of configuration, deployment, management and maintenance of large cloud-hosted systems; including auto-scaling, monitoring, performance tuning, troubleshooting and disaster recovery.
• Proficiency with source control, continuous integration, and testing pipelines.
• Good understanding of cloud security and best practices.

Preferred:

• Prior experience supporting federal government agencies, particularly with Homeland security/ Customs & Border Protection.
• Familiarity with system modernization, supply chain risk analysis, or related domains.
• Knowledge of common cloud platforms (AWS, Azure, GCP), Helm, and automated monitoring frameworks.

Education:

• Bachelor's Degree in Computer Science or related field required.

Certificates, Licenses and Registrations:

• AWS or DevOps/ DevSecOps certifications preferred.
• This federal program requires the candidates to be a United States Citizen.
• Must have a current CBP BI clearance or be eligible to obtain one.

Communication Skills:

• Solid ability to interface, inspire and motivate at various levels of the organization.
• Ability to convey technical information to non-technical individuals.
• Demonstrated experience communicating effectively across internal and external organizations.
• Excellent written and oral communication skills.

Travel:

• This is an on-site position in Ashburn, VA

Environmental Requirements:

• Mainly sedentary; in an office environment
• May be required to lift up to ten (10) pounds
• Flexible in working extended hours

The above statements are intended to describe the general nature and level of work being performed by the individual(s) assigned to this position. They are not intended to be an exhaustive list of all duties, responsibilities, and skills required. Unissant management reserves the right to modify, add, or remove duties and to assign other duties as necessary. In addition, where applicable and available, reasonable accommodation(s) may be made to enable individuals with disabilities to perform essential functions of this position.

Please note: Candidate(s) will be required to go through pre-employment screening.

Unissant, Inc. is a proud Equal Opportunity Employer! (EOE; M/F/Disability/Vets)