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Systems Engineer (Linux & AWS) with Security Clearance

Aqua ITSaint Louis, MO🇺🇸United StatesPosted Oct 6, 2026

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Saint Louis, MO, United States
Posted
3 days ago
AgileConfluenceJira

Job Description

Aqua IT has an opening for an experienced System Engineer with Linux system administration experience to support cloud and on-premise systems with a mission operations team. The team is involved in operation and sustainment of a mission-critical geospatial solution supporting DoW end users. A successful candidate will have experience with installation, configuration, administration, support and maintenance of mission critical cloud and on-premise systems.

Responsibilities: Primary responsibilities will involve taking a leadership role in system changes and improvements;
Working directly with government and contractor POCs to troubleshoot issues;
Proactively recommend configuration changes to help improve system performance; Regularly work with government and contractor POCs to keep systems security compliant; and Author and update operational and security documentation, including troubleshooting guides and SOPs.
Other tasks as assigned.

Qualifications: Requires BS degree and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience; OR additional years of experience in lieu of degree
Must currently possess an active TS/SCI Clearance with ability to obtain & maintain a Polygraph post hire
Must meet DOD 8570 Certification (Security+ or equivalent or higher)
Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills
Demonstrated ability to adapt to new technologies and learn quickly
Organizational Skills: Can plan and prioritize work. Follows tasks to their logical conclusion and makes sure that everything has been done to the right standard. Good attention to detail.

Communications: Ability to communicate clearly and efficiently to team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.

Linux administration experience provisioning end users
Experience managing and configuring RHEL environments
Experience building, optimizing, and maintaining multi-node environments that run parallel workloads
Experience with Linux clusters, specifically Slurm and MPI, to support High-Performance Computing (HPC) systems
Strong understanding of NGA Networking
Proficient reviewing STIG/IAVA scans and remediating vulnerabilities
Experience performing Virtual Machine backups/snapshots
Experience working with Security to support ISCP exercises
Experience scripting for administration, configuration, troubleshooting, and automation Knowledge of Systems, Architectural, SW Development and SW Sustainment Practices
Preferred Qualifications: Red Hat Certification(s)
Linux Certification(s)
Agile Certification(s)
Team Collaboration tools and administration (Jira, Confluence)

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