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The Multi-Domain Solutions Division is seeking a Senior Systems Engineer in Aurora, Colorado to support maintenance and development for the CEGS system, a real-time operational SIGINT processor. The CEGS applications run in a virtualized Linux infrastructure and are deployed in three different locations (the development facility, an integration and test facility, and the operational facility). Candidate must have a TS/SCI clearance and a current CI Polygraph.

Clearance Requirement:

Must possess an active Top Secret/SCI with Polygraph Clearance

Primary Responsibilities:

The candidate will be a member of a team responsible for Linux system administration for CEGS at all deployed locations via remote access from our facility in Aurora, CO. The candidate will be responsible for investigation and resolution of system issues and the installation of new CEGS software baselines at all deployment locations. The program is seeking a candidate with extensive cloud and containerization experience as we move to modernize our architecture. The candidate will interface with project managers, systems engineers, software developers, and customers on a regular basis.

• Monitor a large, Operational system running on CentOS and Red Hat Enterprise Linux (RHEL) Operating Systems
• Install and configure software baselines, Commercial Off-The-Shelf (COTS) products, and application programming interfaces
• Deploy and maintain internal and external web servers (currently Apache web server) and ensure website availability
• Maintain, enhance, and modernize the existing CEGS architecture
• Design, architect, and implement new processes and deployment strategies
• Troubleshoot connectivity issues with systems and interfaces
• Integrate external products and applications with custom scripts and software baselines
• Ensure Confidentiality, Integrity and Availability of the entire CEGS system

Basic Qualifications:

• Requires TS/SCI clearance and a current Polygraph
• Requires BS degree and 12 -15 years of prior relevant experience or Masters with 10-13 years of prior relevant experience.
• Expertise with Linux operating systems (RedHat / CentOS or equivalent)
• Expertise with OS patching using yum and dnf
• Advanced automated script design, coding, debugging, and maintenance skills (bash, python, perl, etc.)
• Administration of virtualized infrastructure environments (VMWare, Red Hat Virtualization, etc.)
• Experience with Agile Software Development and Atlassian tools (Confluence, Jira, GIT)
• Significant experience with Information Assurance (IA) and Risk Management Framework (RMF)
• Experience with Containerization and Container Orchestration (Docker, Kubernetes)
• Network administration experience (Palo Alto firewalls, CISCO routers/switches)
• Current Security+ certification

Preferred Qualifications:

• Red Hat Certified Systems Administrator (RHCSA) certification
• LDAP installation and administration (openLDAP, RedHat IdM, etc.)
• Installation, configuration, and maintenance of Red Hat Satellite
• Experience with automation tools (Ansible, Jenkins, etc)
• NFS and autofs configuration
• Hardware experience (HP DL385, Nimble storage, Dell workstation, Cisco switches, etc.)
• Database installation and administration (PostgreSQL or equivalent)
• Windows Systems Administration
• ActiveMQ installation, configuration, and maintenance
• Apache httpd configuration, maintenance, and deployment
• Familiarity with Amazon Web Services (AWS)

Original Posting Date:

2025-01-14

While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $112,450.00 - $203,275.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.