Linux System Engineer

Aqua IT; Chantilly, Northern (VA, KY); Hybrid; USD 100,000 - 150,000; Full time

Job summary

Aqua IT is seeking an experienced Linux Systems Engineer to support a mission critical enterprise identity and access management system. You will develop an understanding of services offered to external organizations and provide lifecycle systems engineering support to development and operations.

A successful candidate will use technical and functional expertise to recommend solutions, implement proactive measures for availability, and collaborate with customers and outside teams to diagnose

Qualifications

• Bachelor’s degree in computer science or related discipline with 4–6 years as a systems administrator.
• Self-motivated with strong oral and written communication.
• 2+ years of experience with AWS services (S3, EC2, RI).
• Experience troubleshooting OSI model layers 4–7 networking.
• Familiar with system engineering docs (diagrams, data flows).
• Experience with Jira/Confluence/Bitbucket.

Responsibilities

• Provide Tier II support for customer-facing issues.
• Perform RCA and communicate findings to stakeholders.
• Review system metrics and health to maintain availability.
• Develop scripts and leverage playbook-based automation.
• Manage COTS and GOTS software across environments.
• Coordinate with security teams to ensure compliance.
• Interface with customers and external teams to diagnose access issues.
• Identify bottlenecks with visualization of system workflows.

Skills

Linux

AWS

Bash

Python

Networking

Communication

Jira

Education

Bachelor’s degree in computer science or related discipline

Tools

Jira

Confluence

Bitbucket

Kubernetes

Oracle WebLogic

ELK

Job description

Overview: Aqua IT is seeking an experienced Linux Systems Engineer to provide support to a mission critical enterprise identity and access management system. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy customer requirements.

Responsibilities:

• Provide support to Tier II personnel in resolving customer-facing issues.
• Perform root cause analysis (RCA) and mitigation for operational issues. Communicate findings with interested parties and establish a feedback loop to development.
• Work as a subject matter expert (SME) to review user metrics, system health, overall performance checkouts, and implement proactive measures to support operational availability.
• Develop scripts to accomplish operational tasks, and utilize playbook-based automation processes, as necessary.
• Manage Commercial-Off-The-Shelf (COTS) and Government-Off-The-Shelf (GOTS) software products in several environments.
• Work with Enterprise Services to ensure compliance with security services and applications.
• Interface with customers and outside technical teams to diagnose and mitigate access issues.
• Utilize abstract visualization skills to understand system workflows and identify bottlenecks.

Requirements:

• Bachelor’s degree in computer science or related discipline plus 4-6 years of professional experience as a Systems Administrator or similar technical role.
• Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills.
• Two or more years of experience with Amazon Web Services (S3 Buckets, EC2, Reserved Instances, etc.)
• Experience troubleshooting network-related issues (Open Systems Interconnection (OSI) model levels 4-7)
• Familiar with System Engineering documentation creation (network diagrams, data flows, etc.)
• Experience working with Agile Team Collaboration tools such as (Jira, Confluence, BitBucket)
• Strong Linux background and familiarity with best practices of infrastructure management

Preferred Qualifications:

• Familiarity with Identity Federation, Single Sign-On, and authorization technologies (e.g. smart cards/Common Access Cards (CACs), SAML, OIDC, OAuth, Kerberos)
• Experience with Oracle COTS product experience (Oracle Access Manager, Oracle Unified Directory, Oracle WebLogic, etc.)
• Experience with Kubernetes
• Experience with scripting languages, such as Bash and Python
• Experience with LDAP (in lieu of Oracle Unified Directory experience)
• Experience with ElasticSearch, Logstash, Kibana (ELK tools)
• Experience with AWS and other cloud-based architectures
• Familiar with cross domain architectures at various levels
• Experience with automated testing and monitoring
• Experience with Engineering Review Boards and Change Management