SK Systems Administrator (DevOps)

Probity Inc.; Herndon (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Probity Inc. is seeking a SK Systems Administrator (DevOps) to manage databases, size and secure infrastructure, and support development, testing, training, and production environments.

The role requires building scalable systems and secure infrastructure enhancements for new capabilities, with emphasis on performance and reliability. Candidates should have substantial experience in SQL databases, Linux/Windows administration, Elasticsearch, and Kubernetes, and be capable of implementing robust

Qualifications

• 7+ years of experience with SQL databases.
• 4+ years of Linux or Windows administration.
• 2+ years of Elasticsearch experience.
• 2+ years of Kubernetes experience.

Responsibilities

• Deploy, provision, and secure AWS resources (EC2, S3, RDS, EBS, CloudWatch, VPC).
• Build, maintain, and troubleshoot CI/CD pipelines (GitLab, GitHub, Jenkins).
• Design, build, maintain Kubernetes clusters for development productivity.
• Run vulnerability scans, patch infrastructure, manage VPNs, SSL/TLS certs.

Skills

Problem solving

Communication

Team collaboration

Tools

AWS

GitLab

GitHub

Jenkins

Kubernetes

ElasticSearch

Linux

Windows

Job description

Position: SK Systems Administrator (DevOps)

PLEASE NOTE: This position requires an ACTIVE Top Secret/SCI Clearance with Polygraph. To be considered for this position, you MUST have an ACTIVE Clearance Level of Top Secret/SCI with Polygraph

Position Code: 26-SA0904-1

Position Description:

Searching for a Systems Administrator to 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

Core Responsibilities

• 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.

Requirements:

• 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.