Senior Linux Administrator - TS/SCI required

BCMC•Arlington, VA

About The Position

BCMC supports a U.S. Government customer on a mission critical program to design, build, deliver, and operate a next generation network operations environment. As part of a broader consolidation and modernization vision, this role contributes directly to the establishment of team dedicated to maintaining a Cyber Threat Intelligence Database. This role will also contribute to the creation, maintenance, and expansion of such a system across multiple domains. We are seeking a Senior Linux Administrator with strong database, automation, and cloud integration experience to help shape and execute this forward leaning effort. This position plays a key role in enhancing cybersecurity posture, improving operational efficiency, and working with key external partners to support a highly complex Threat Intelligence platform.

Requirements

Must be a US Citizen
Must have an active TS/SCI clearance
Must be able to obtain DHS Suitability
5+ years of Linux systems administration experience (RHEL 8/9/10 preferred)
Strong background in Linux Engineering
Experience with PostgreSQL databases
Experience with performance tuning and troubleshooting across compute, network, and storage layers
Experience with general networking concepts or AWS specific networking and security.

Nice To Haves

Experience in development environments
Experience in Classified Environments
Experience with SELinux, multilevel security systems, or Cross Domain Solutions
Experience coordinating with external vendors to communicate customer needs and feature requests.
Experience with HTTP API’s and authentication using API keys and OAuth Tokens

Responsibilities

Standardize processes across multiple CISA environments
Prioritize critical updates aligned with CISA IT cybersecurity objectives
Integrate automation and intelligent systems to reduce manual effort
Strengthen collaboration between CISA teams, government sponsors, and tenants
Improve transparency, metrics, and operational agility
Leverage deep technical expertise to automate tasks and optimize system performance
Support cloud environments while contributing to the development of enterprise‑wide patching standards and best practices
Engineer and maintain Linux system architectures (primarily RHEL 8/9/10 and AWS Linux)
Perform OS security hardening, patching, and lifecycle maintenance
Manage backup, recovery, and configuration documentation to ensure system integrity
Engineer the design and implementation of standardized patching methodologies across AWS, AZURE, Google Cloud environments
Prioritize and execute critical updates in alignment with CISA IT Patch Management Guidelines
Participate in efforts to refine workflows, metrics, and operational processes.
Integrate AWS, AZURE and Google native services to enhance performance, resilience, and scalability of patching and DevOps infrastructure
Evaluate and implement AI capabilities into the Threat Intelligence Platform.
Contribute to enterprise cloud and DevOps standards, guidelines, and best practices
Serve as a central conduit between ESS teams, government sponsors, and tenants.
Establish and track metrics such as patch compliance, deployment timelines, and automation achievements
Support iterative improvements based on stakeholder feedback and operational data.
Follow established testing and implementation methods to ensure stability and interoperability of vendor provided patches and code.
Recreate unique circumstances within a database to reproduce issues experienced by users and analyze database behavior for potential solutions.
Coordinate and work with external experts from multiple vendors simultaneously to troubleshoot complex issues in a highly integrated environment supporting both a complex database as well as multiple dependent applications.