TS/SCI Linux System Engineer Information Technology Chantilly, VA

Bailey Information Technology Consultants, LLC; Chantilly (VA); Hybrid; USD 100,000 - 150,000; Full time

Job summary

BIT, LLC is seeking an experienced Linux Systems Engineer to support a mission-critical identity and access management system in Chantilly, VA. The role involves lifecycle systems engineering, collaborating with development and operations, and recommending solutions to meet customer requirements.

Responsibilities include root cause analysis, SME review of metrics, automation scripting, and ensuring security compliance. Strong Linux expertise and AWS experience are essential for success.

Qualifications

• BS degree with 2–4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience.
• Proactive self-starter with excellent oral and written communication skills.
• 2+ years of experience with AWS (S3, EC2, Reserved Instances).
• Experience troubleshooting network-related issues (OSI layers 4–7).
• Familiar with System Engineering documentation (network diagrams, data flows).
• Experience with Agile Team Collaboration tools (Jira, Confluence, Bitbucket).
• Strong Linux background and infrastructure management practices.

Responsibilities

• Provide Tier II support for customer-facing issues.
• Perform root cause analysis and communicate findings.
• Review system health and implement proactive measures for availability.
• Develop scripts and automation for operational tasks.
• Manage COTS and GOTS software across environments.
• Ensure compliance with security services and applications.
• Interface with customers and external teams to diagnose access issues.
• Identify bottlenecks through system workflow visualization.

Skills

Linux systems

Amazon Web Services

Networking troubleshooting

Scripting Bash Python

Communication

Education

BS degree

Masters (less than 2 years experience)

Tools

Jira

Confluence

Bitbucket

Job description

Linux System Engineer

Location: Chantilly, VA
Clearance: TS, SCI/Poly eligible
Certifications: Current Security+ before start
Level: T2
Job Description :
BIT, LLC 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/Qualifications:

• BS degree and 2 – 4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience.
• 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

Clearance Requirements*
Requires an active Top Secret security clearance upon hire and must meet SCI eligibility. Must be willing and able to obtain a polygraph within the customer’s timeline after hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.