DevOps Systems Engineer

Cornerstone Defense LLC; Reston (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Cornerstone Defense LLC is seeking a DevOps Systems Engineer located in Chantilly, VA. The successful candidate will work closely with project teams to support customer deployments and troubleshoot issues.

The ideal candidate has 5-10 years of development and operations experience, with skills in cloud systems and Microsoft environments. Cornerstone provides technology solutions to U.S. government operations.

Qualifications

• 5-10 years’ experience in development and operations.
• Understanding of IT operations for consistent service availability.
• Experience with security configurations and compliance.

Responsibilities

• Manage and support existing infrastructure and networks.
• Automate deployment and maintenance of cloud-based systems.
• Assist with customer software deployments and updates.

Skills

Teamwork

Problem-solving

Communication

AWS

PowerShell scripting

Microsoft Server administration

Education

Bachelor’s degree in computer science or related field

Tools

VMware

Microsoft Technology Stack

Active Directory

Job description

Title: DevOpsSystems Engineer

Location: Chantilly, VA

Clearance: Active TS/SCI w/ Polygraph needed to apply

Company Overview

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

DevOps Engineer

Chantilly, VA

Seeking a DevOps Engineer to work closely with Customer Engagement project teams and provide the customer with first‑line implementation support. The selected candidate will support customer deployments and assist with installation and administrative configuration as required. The candidate will also assist with triaging and routing incoming requests, troubleshooting applications or environment issues, and remediating them. Acting as the customer's initial point of contact, the candidate will work closely with the project team to advance solutions implemented by the customer.

Job Requirements

• Proactively manage and support existing infrastructure, networks, applications, and solution systems and structures.
• Automate the deployment, scaling, and maintenance of cloud‑based systems in an AWS environment.
• Implement advanced reasoning loops (e.g., ReAct, Chain-of-Thought) to enable software agents to decompose high‑level user requests into actionable technical plans.
• Enable proactive system behavior where agents monitor real‑time data and take corrective actions or suggest optimizations before a user prompt is even issued.
• Establish systems by planning, executing, installing, configuring, and testing PCs, servers, hardware, software, LAN, and WAN networks, as well as operating and system management systems. Define system and operational policies and procedures.
• Maintain system performance by performing system monitoring and analysis, tuning, and running security scans.
• Assist with planned and unplanned customer software deployments and AEON Knowledge Base updates, utilizing a matrix team of staff across DSI who provide expertise in web‑based application and installation, AEON functionality, and AEON Account Management.
• Document and maintain customer test and production environments and processes to ensure that DSI installs conform to customer processes and that DSI and the customer are aligned regarding the state, timing, and success of each process step.
• Act as a Tier‑3 support participant to resolve help desk tickets, calls, and/or change requests where installation/application configuration may be an issue.
• Participate in infrastructure architecture and testing strategy, create and execute PowerShell scripts, and maintain all production and development systems.

Required Experience

• 5‑10 years’ experience in development and operations, or related IT, computer, or operations field.
• Knowledge of best practices and IT operations in an always‑up, always‑available service.
• Ability to work in a team‑oriented environment for a matrixed organization.
• Experience with Microsoft operating systems/Windows environments.
• Previous experience with software development, infrastructure, and operations.
• Ability to effectively collaborate with internal and external customers.
• Demonstrated analytical and problem‑solving capabilities.
• Proven ability to communicate technical details to a non‑technical audience.
• Excellent organizational and time‑management skills.
• Experience with VMware and Microsoft Technology Stack.
• Experience and understanding of Microsoft infrastructure architecture components for .NET applications in sufficient detail to understand version terminologies and verifications.
• Experience with Microsoft Server administration, e.g., Windows Servers, Active Directory, TFS, SharePoint, SQL, etc.
• Experience with security configurations, SSL, TLS, and appropriate compliance.
• Experience with LAN and WAN configurations and setup, including Group Policies and Windows Security.
• Experience with the creation and execution of PowerShell scripts.
• Experience with software development and maintenance practices and methodologies.
• Familiarity and experience with Office 365, Cloud infrastructure, and support.
• Excellent verbal, presentation, and written communication skills.
• Ability to interact professionally with diverse executives, managers, and subject matter experts.
• Self‑starter, adaptable, and process‑oriented, providing various project support levels.
• Effective communication skills.

Desired Experience

• Bachelor’s degree in computer science or a related field.
• Experience with AWS and or Azure deployments
• Experience with ReKongition, Sagemaker, and/or Bedrock.