Senior Systems Engineer

This position requires active U.S. national security clearance and the ability to obtain one. To learn more about the security clearance process please access this link. Additionally, travel may be required to customer and subcontractor sites as well as other office locations.

Accelint is a mission-driven technology company focused on strengthening national security and supporting critical industries. We build the technologies that help operators and organizations see what’s happening, make faster and better decisions, take action with confidence, and stay ready for what comes next. Our work includes advanced sensors, autonomous systems, mission command and control software, AI-enabled training and simulation, and tools that improve logistics, maintenance, and overall readiness.  

For nearly 30 years we have supported military and civilian agencies across the Department of Defense, U.S. allies and partners, and essential industries. When you join Accelint, your work directly contributes to protecting national security and strengthening the systems our society depends on.  

Accelint brings together the talents of Hypergiant, Forward Slope, Systems Innovation Engineering, SoarTech, and Highbury Defense Group under one mission, with each entity contributing deep expertise in its domain. This role is part of our Systems Innovation Engineering (SIE) division, which specializes in readiness and logistics, autonomous platforms, and sensor technologies. SIE develops resilient, integrated systems that enhance situational awareness, sustain mission readiness, and deliver reliable performance across air, ground, and maritime environments.  

The Sr. Systems Engineer is a senior-level cloud infrastructure and DevSecOps engineer responsible for standing up, securing, and maintaining AWS GovCloud IL6 environments to support PLM software implementations for the Department of Defense (DoD). This role plays a critical part in the design, deployment, and automation of complex cloud-native solutions that meet stringent performance, security, and compliance requirements. The ideal candidate brings 5+ years of hands-on experience deploying and managing AWS workloads, including orchestration of containerized microservices, across both Red Hat Linux and Windows Server platforms. They will be proficient in building and managing data pipelines using AWS Glue and implementing secure, scalable solutions using Infrastructure as Code (IaC), CI/CD pipelines, and modern observability tools. This role requires strong collaboration with cross-functional teams, proactive troubleshooting, and independent ownership of cloud architecture and system administration tasks. Candidates must hold an active security clearance, Security+ certification, and at least one current AWS certification.

Duties and Responsibilities:

• Collaborate with cross-functional teams to understand business & security requirements and translate them into technical solutions.
• Build and maintain ETL data pipelines using AWS Glue, ensuring efficient movement and transformation of structured and unstructured data across secure DoD environments.
• Administer AWS services including EC2, S3, RDS (Oracle/PostgreSQL), Secrets Manager, CloudWatch, and IAM with a focus on automation, compliance, and performance.
• Design and manage containerized environments, leveraging tools like Kubernetes (e.g., RKE2), Docker, and Rancher for orchestration, scalability, and persistent storage solutions.
• Utilize Ansible playbooks for automation, and secure applications with Public Key Infrastructure (PKI), managing TLS/SSL certificates, and enforcing secure authentication mechanisms.
• Responsible for administering RDS Oracle and RDS PostgreSQL databases, including initial data seeding, schema configurations, running scripts, query execution for troubleshooting, and optimizing database performance for application-specific needs
• Support installing and performing upgrades of PLM application software, applying critical patch sets, and fixing security vulnerabilities on a regular basis with all infrastructure and applications included in the technical stack.
• Conduct comprehensive testing, including unit, integration, and system testing ensuring application infrastructure and performance is maintained.
• Support debug and resolution of complex application/customization defects and issu