Senior/Expert Systems Admin (DevOps)

VTG Defense; Herndon (VA); On-site; USD 175,000 - 220,000; Full time

Job summary

Byte Systems, a VTG subsidiary in the United States, seeks a Senior/Expert Systems Admin (DevOps) to scale our infrastructure across AWS, Kubernetes, and CI/CD pipelines. You will work with developers, DevOps engineers, and data engineers to ensure reliable production systems.

The role emphasizes SQL, Linux/Windows administration, Elasticsearch, and container orchestration, with a focus on security, reliability, and scalable design in a defense-oriented environment.

Qualifications

• 7+ years of experience with SQL databases.
• 4+ years of experience with Linux or Windows administration.
• 2+ years of experience with Elasticsearch.
• 2+ years of experience with Kubernetes.
• Proven problem-solving abilities and strong communication skills.

Responsibilities

• Deploy, provision, and secure AWS resources (EC2, S3, RDS, etc.) and assist with database sizing and server security.
• Build, maintain, and troubleshoot CI/CD pipelines using GitLab, GitHub, or Jenkins.
• Design, build, and manage Kubernetes clusters to support development workflows.
• Run vulnerability scans, patch infrastructure, manage VPNs, and ensure SSL/TLS certificates are current.
• Maintain and update software architecture with a focus on scalability and proactive improvements.

Skills

SQL databases

OS Administration (Linux/Windows)

Elasticsearch

Kubernetes

Soft Skills

Job description

Overview

Byte Systems, a subsidiary of VTG, is seeking a Senior/Expert Systems Admin (DevOps). The Systems Administrator will assist with database sizing and management as well as perform routine maintenance and administration tasks on the infrastructure hosting our applications, including our develop, testing, training, and production environments. Our team consists of Software Developers, Systems Development Engineers (DevOps), and Data Engineers - with this combination of skills, we develop unique software that enables our customer network to safely operate at scale without customer impact. The Sys Admin will need to have proven systems design and scalability experience, as they will also be responsible for designing, secure infrastructure enhancements to support new capabilities, or enhance the performance and scalability of our infrastructure or address related issues.

What will you do?

• Database & Cloud Infrastructure: Deploy, provision, and secure AWS resources (EC2, S3, RDS, EBS, CloudWatch, VPC, etc.); assist with database sizing, management, and server security.
• DevOps & CI/CD: Build, maintain, and troubleshoot CI/CD pipelines using GitLab, GitHub, or Jenkins.
• Containerization: Design, build, maintain, and troubleshoot Kubernetes clusters to ensure uninterrupted development productivity.
• System Maintenance & Security: Run vulnerability scans, patch physical/cloud infrastructure, manage VPNs, and ensure SSL/TLS certificates stay current.
• Architecture & Scalability: Maintain and update the software architecture, focusing on system design, operational best practices, and proactive innovation.

Do you have what it takes?

• SQL Experience: 7+ years of experience working with SQL databases.
• OS Administration: 4+ years of experience with Linux or Windows administration.
• Elasticsearch: 2+ years of experience.
• Kubernetes: 2+ years of experience.
• Soft Skills: Proven problem-solving capabilities and effective verbal/written communication skills.

PayRange: VTG's estimated starting pay range is $175,000-$220,000 annually, which is a general guideline for the geographic location. When extending an offer, VTG also considers work experience, education, skill level, market considerations and may possibly include contractual requirements which may cause an offer to fall outside of this range.