Lead Linux System Administrator 3

Power3 Solutions

Columbia (MD)

On-site

USD 195,000 - 250,000

Full time

14 days+
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Benefits offered by this job

Medical Insurance
Dental Insurance
Vision Insurance
HSA 2650/5300 family
STD/LTD employer paid
Life Insurance 1x salary
AD&D insured
401k & Profit Sharing
Professional Development $4k/year
Tuition Reimbursement
Employee Referral $10k
Annual Bonus
PTO 160 hours
Holidays 11
Maternity/Paternity Leave
Wellness stipend
Subscriptions $350/year

Job summary

Geon Technologies seeks a Senior Linux Systems Administrator to lead Linux infrastructure, deployment automation, and system integration across complex IT environments supporting USG and industry clients.

The role emphasizes Tier 2/3 support, security hardening, and collaboration with software, network, and cyber teams to ensure readiness and compliance. Clearances and enterprise exposure are valued.

Qualifications

  • Advanced Linux systems administration experience.
  • Experience with RHEL/ Rocky/ Oracle Linux / CentOS or similar distributions.
  • Expertise with Ansible automation, Kickstart provisioning, configuration management, and orchestration.

Responsibilities

  • Administer, maintain, and support enterprise Linux systems and infrastructure to ensure availability, performance, security, and reliability.
  • Manage day-to-day operations of server, storage, network, virtualization, and application environments, including monitoring and capacity planning.
  • Provide Tier 2 and 3 support for complex issues, including root cause analysis and resolution of hardware, software, and integration problems.
  • Configure, install, upgrade, patch, harden, and maintain Linux OS, hardware, and infrastructure services.
  • Collaborate with developers, network engineers, cybersecurity personnel, and Government stakeholders to support deployment and readiness.
  • Define hardware specs, deployment architectures, and infrastructure requirements for enterprise environments.
  • Lead planning, automation, and execution of Linux deployments across DEV, TEST, STAGING, PROD.
  • Develop and maintain automated provisioning and configuration management using Kickstart, Ansible, and IaC.
  • Automate OS installation, app deployment, patch mgmt, security hardening, and lifecycle processes to improve consistency and efficiency.
  • Establish and maintain deployment standards, configuration baselines, and operational procedures.
  • Support testing, validation, and transition-to-ops activities while ensuring security & CM compliance.

Skills

Advanced Linux
RHEL/Oracle/CentOS family
Ansible automation
Kickstart provisioning
Infrastructure as Code (IaC)
DevSecOps
System surveillance
Virtualization
Networking
Storage management

Education

Bachelor's degree in a technical discipline

Tools

Ansible
Kickstart
IaC tooling

Job description

Geon Technologies is a rapidly growing small business that provides signal processing andsensor system integration services to the United States Government (USG) and the industrybase that supports them. Geon seeks to be known for “signals, sensors, and systems”. Geonhas expertise in the science and development of signal processing techniques and algorithm solutions for multi-INT applications. The signal processing and hardware focused sectors ofGeon are supported by the work Geon conducts with open architectures, open frameworks, andopen systems that facilitate the rapid development, integration, and deployment of techniquesand capabilities to operational contexts. Come join a company that brings unique expertise and value to our customers.

The Senior Linux Systems Administrator shall possess extensive experience supporting the implementation, operation, maintenance, troubleshooting, optimization, and sustainment of enterprise and mission-critical Information Technology (IT) systems. The successful candidate will provide technical leadership for Linux infrastructure, deployment automation, systems integration, and operational support across complex computing environments.

Responsibilities include:

  • Administer, maintain, and support enterprise Linux systems and infrastructure to ensure availability, performance, security, and reliability.
  • Manage day-to-day operations of server, storage, network, virtualization, and application environments, including system monitoring, troubleshooting, performance tuning, and capacity planning.
  • Provide Tier 2 and Tier 3 support for complex system, infrastructure, and application issues, including root cause analysis and resolution of hardware, software, and integration problems.
  • Configure, install, upgrade, patch, harden, and maintain Linux operating systems, server hardware, network components, and supporting infrastructure services.
  • Collaborate with software developers, network engineers, cybersecurity personnel, and Government stakeholders to support system deployment, integration, and operational readiness.
  • Define hardware specifications, deployment architectures, and infrastructure requirements to support enterprise and mission-critical environments.
  • Lead the planning, automation, and execution of Linux system deployments across development, test, staging, and production environments.
  • Develop and maintain automated provisioning and configuration management solutions using Kickstart, Ansible, and Infrastructure as Code (IaC) methodologies.
  • Automate operating system installation, application deployment, patch management, security hardening, and lifecycle management processes to improve consistency, scalability, and operational efficiency.
  • Establish and maintain deployment standards, configuration baselines, technical documentation, installation procedures, and operational support processes.
  • Support system testing, validation, transition-to-operations, and operational acceptance activities while ensuring compliance with security and configuration management requirements.
Desired Technical Experience
  • Advanced Linux systems administration experience.
  • Experience with Red Hat Enterprise Linux (RHEL), Rocky Linux, Oracle Linux, CentOS, or similar enterprise Linux distributions.
  • Expertise with Ansible automation, Kickstart provisioning, configuration management, and orchestration.
  • Experience with Infrastructure as Code (IaC), DevSecOps practices, and deployment automation frameworks.
  • Experience supporting clustered, distributed, highly available, and mission-critical Linux environments.
  • Knowledge of virtualization, enterprise storage, networking, and system monitoring technologies.
Qualifications
  • Minimum Fifteen(15) years of experience as a SA in programs and contract of similar scope, type and complexity is required.
  • Bachelor's degree in a technical discipline from an accredited college or university is required. Five(5) years of additional SA experience may be substituted for a bachelor's degree.
  • Active TS/SCI w/ poly Security Clearance Required
About the Work

In May of 2019, Amazon opened its first AWS Ground Station, a "virtualized segment for ground processing" of satellite signals that support 54 MHz uplink and 500 MHz downlink processing using the proven AWS Cloud Services and technologies. Microsoft Orbital and Google were close behind with their own satellite processing architectures based on cloud services and technologies. At the same time, technologies supporting next-generation 5G exploded into the same cloud technology arena. Geon has been awarded a prime contract to leverage these very same technologies to build next-generation Software Defined Radio (SDR) solutions for the defense and intelligence industry. We are looking for fully-cleared individuals that have an ambition to leverage their proven experience in building high performance processing systems and solutions to architect, develop, productize and deploy a whole new breed of open-sensor framework based on the industries leading solutions. If you are interested in working with and learning the newest technologies, and continue to support our nations intelligence and defense priorities

Benefits
  • Medical Insurance - 75% employer paid; 25% employee paid.
  • Dental Insurance - 100% employer paid.
  • Vision Insurance - 100% employer paid.
  • Health Spending Account (HSA) - Annual employer contribution of $2,650 (individual)/$5,300 (family)
  • Short-Term Disability (STD) Insurance - 100% employer paid.
  • Long-Term Disability (LTD) Insurance - 100% employer paid.
  • Basic Life Insurance - 1x annual salary, up to $250,000 - employer paid.
  • AD&D Insurance - 1x annual salary, up to $250,000 - employer paid.
  • Voluntary Life and AD&D Insurance - Up to $300,000 - employee paid
  • 401k & Profit Sharing - 5% Safe Harbor contributions, no match required; up to 10% Profit Sharing.
  • Professional Development - $4,000 per calendar year to attend conferences & trainings.
  • Tuition Reimbursement/Student Loan Repayment - Reimbursement of one class per semester towards continuing education with the option to apply up to $1,200 a year toward qualifying student loans.
  • Employee Referral Incentive - $10,000 (paid 180 days after new hire start date).
  • Annual Bonus - Performance Based.
  • Paid Time Off - 160 hours.
  • Holidays - 11 Federal Holidays.
  • Maternity Leave - 160 hours followed by Short-term disability (STD).
  • Paternity Leave - 160 hours
  • Bereavement Leave - 24 hours (equivalent of 3 days) for immediate family
  • Health & Wellness - $750 per calendar year for items such as gym memberships, ergonomic keyboards, standing desks, etc.
  • Professional Subscriptions - $350 per calendar year.

The projected pay range for this position is $195,000- $250,000.

Geon Technologies provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, pregnancy, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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