Principal Systems Engineer - TS/SCI w CI Poly

Modern Government Solutions•Sterling, VA

2d•Onsite

About The Position

Modern Government Solutions (MGS) is seeking a Principal Systems Engineer, Digital Engineering Solutions to lead the architecture, deployment, and sustainment of enterprise engineering platform environments in support of national security missions. The role serves as technical lead for Teamwork Cloud, Cameo, and associated engineering tools in secure cloud-based infrastructures, driving automation, integration, and infrastructure improvements that support platform reliability and mission readiness. The engineer works across engineering, cybersecurity, infrastructure, and mission teams to define technical roadmaps, resolve complex application and integration issues, and maintain the health and performance of critical engineering environments. The position is part-time/as needed and onsite in Sterling, Virginia. Relocation assistance is considered. Applicants must be U.S. citizens and may be subject to a government security investigation for access to classified information.

Requirements

Active DoD TS/SCI security clearance with CI Polygraph.
Meet DoD 8140 requirements, including Security+ CE certification.
Bachelor's degree in Systems Engineering, Computer Science, Computer Engineering, Software Engineering, Information Technology, Electrical Engineering, Mathematics, Physics, or a related field.
16+ years of experience architecting, deploying, and sustaining enterprise engineering platforms and IT infrastructure in cloud-hosted environments.
Experience configuring, deploying, and maintaining Teamwork Cloud, Cameo, Cassandra, or similar engineering platforms using Automation as Code (AaC) and CI/CD pipelines.
Experience integrating enterprise applications with workflow, ticketing, automation, or custom-developed platforms, including ServiceNow or similar solutions.
Experience supporting relational and non-relational databases, including Cassandra, MySQL, MongoDB, or similar technologies.
Experience supporting IdAM technologies, including Active Directory, SAML, OpenLDAP, OAuth 2.0, and OIDC.
Experience developing integrations using Python, PowerShell, and Groovy, with skills in testing, validation, troubleshooting, and technical documentation.
U.S. citizenship.

Nice To Haves

Experience supporting Model-Based Systems Engineering (MBSE) methodologies, tools, and enterprise engineering ecosystems.
Experience optimizing cloud-hosted solutions and supporting Azure, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, or similar environments.
Experience implementing and integrating ServiceNow solutions.
Experience supporting monitoring, visualization, and observability platforms such as Grafana and Splunk.
Experience configuring, deploying, and maintaining IBM Engineering Lifecycle Management (ELM) and SharePoint as AaC using CI/CD pipelines in cloud-based environments.
Experience configuring, deploying, and maintaining Tableau as AaC using CI/CD pipelines in cloud-based environments.
Experience maintaining API gateways and catalogs in cloud-based environments.
Experience developing cross-domain capabilities.
Experience leading and overseeing a total-system perspective, including understanding relationships, dependencies, and requirements across cloud services, infrastructure, and security domains.
Familiarity with containerized development environments, including Rancher and Kubernetes.

Responsibilities

Lead the architecture, deployment, modernization, and sustainment of Teamwork Cloud, Cameo, Cassandra, and related engineering platforms in cloud-hosted environments.
Implement and optimize Automation as Code (AaC) solutions and CI/CD pipelines for application deployment, configuration, and lifecycle management.
Design and maintain integrations among engineering platforms, workflow systems, automation tools, and enterprise services.
Provide technical leadership for database, authentication, identity management, and application infrastructure supporting MBSE environments.
Troubleshoot complex platform, infrastructure, and integration issues; perform root cause analysis and implement corrective actions.
Develop and oversee testing, validation, and quality assurance activities to support platform reliability and operational readiness.
Lead DevOps and infrastructure automation initiatives using Ansible, Terraform, Jenkins, GitLab, and related technologies.
Collaborate with engineering, cybersecurity, infrastructure, and mission stakeholders to define technical roadmaps and implement strategic improvements.
Create and maintain technical documentation, architecture artifacts, implementation guides, and operational procedures.
Remain stationary for extended periods while working at a computer workstation.
Communicate effectively with customers, team members, and stakeholders in written and verbal formats.