Senior Linux Systems Administrator / Systems Engineer (Day, Night or Weekend Shift - TS/SCI with Polygraph required)

redalpha; Maryland; On-site; USD 175,000 - 225,000; Full time

Benefits offered by this job

401k plan

Health insurance (medical, dental, and

Paid time off

Education and certifications stipend

Gym membership

Job summary

redalpha is seeking a Senior Linux System Administrator/Engineer to support a high‑availability enterprise environment serving the Intelligence Community in Maryland. You will administer Linux-based infrastructure, virtualization, and application platforms with emphasis on reliability and security.

Responsibilities include managing RHEL/CentOS, deploying JBoss/WildFly, creating VMware virtual machines, and implementing system hardening.

Qualifications

• BS in Computer Science or a technical discipline; 4+ years may substitute for degree.
• 10+ years of systems administration experience.
• Security+ certification required.
• Proficiency with Linux (CentOS, RHEL).
• Experience installing, configuring, and maintaining JBoss/WildFly.
• Experience with VMware VM creation, configuration, and operation.

Responsibilities

• Administer and troubleshoot enterprise Linux environments (RHEL/CentOS).
• Support high-availability, secure mission-critical infrastructure.
• Install and support JBoss application servers.
• Create and manage VMware virtual machines and infrastructure.
• Implement system hardening and security/compliance controls.
• Automate tasks with Ansible, Terraform, Python, and shell scripts.
• Support storage, networking, authentication services and related infra components.
• Monitor performance and perform root cause analysis.
• Collaborate with cross-functional technical teams.

Skills

Linux proficiency (RHEL/CentOS)

JBoss/WildFly

VMware

System security/compliance

Automation (Ansible/Terraform/Python)

Scripting (Shell, Python)

Oracle DB familiarity

Education

B.S. in Computer Science or related field

Tools

VMware

Job description

A day in the life:

We are seeking a Senior Linux System Administrator/Engineer to support a highly available, mission-critical enterprise environment serving the Intelligence Community. This role is responsible for administering, maintaining, and optimizing Linux-based infrastructure, virtualized environments, and application platforms. The ideal candidate will have extensive experience with Red Hat/CentOS systems, VMware, system security, and enterprise application support, with a strong focus on operational reliability, performance, and compliance.

Key Responsibilities include but are not limited to:

• Administer, maintain, and troubleshoot enterprise Linux environments (RHEL/CentOS).
• Support mission-critical infrastructure to ensure high availability, stability, and security.
• Install, configure, maintain, and support JBoss application servers.
• Create, configure, and manage VMware virtual machines and supporting infrastructure.
• Implement system hardening, security controls, and compliance requirements.
• Automate system administration tasks using Ansible, Terraform, shell scripting, and Python.
• Manage and support physical servers, storage systems, networking, authentication services, and related infrastructure components.
• Monitor system performance, identify issues, and perform troubleshooting and root cause analysis.
• Support system integration efforts and collaborate with cross-functional technical teams.
• Assist with Oracle database administration activities and support applications utilizing JSON-based data exchange.

*Please note, multiple shifts are available for this position include day (8 AM - 5 PM), night, and weekend shifts (12 hours).

What you bring to the table:

• BS in Computer Science or a technical discipline from an accredited institution. Four (4) additional years of experience may be accepted in lieu of a degree.
• 10+ years of relevant experience in systems administration.
• Security+ certification
• Proficiency with Linux (CentOS, RHEL)
• Extensive experience installing, configuring, and maintaining JBoss and/or Wildfly
• Experience with VMWare - VM creation, configuration, and operation

Bonus Skills:

• Linux Administration Certification
• Experience with RH Ansible
• Familiarity with Oracle Databases and possibly DBA experience
• Experience with storage, networking, security compliance, scripting (Python, Shell)

The total package:

Our total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. Our total compensation package includes a competitive base salary and benefits such as health, life/ disability, 401k, paid time off, professional development, and generous bonus programs. Please visit our benefits tab for additional information.

Salary Range:

• Disclosed pay ranges are a general guideline, and are not a guarantee of a final salary or compensation. Our approach in determining final salaries takes into consideration a number of factors such as education, certifications, total years of relevant professional experience, actual level of expertise, and the responsibilities of the role itself.
• Based on the outlined roles, responsibilities, and requirements, the projected pay range for this position is: $175,000 - $225,000.

Some of our additional perks and benefits include:

• Retire sooner than planned: Get closer to retirement with up to 10% in 401k contributions, immediately vested.
• Have a career AND a life: Enjoy up to 5 weeks of leave (25 days of personal time off) and 11 paid floating holidays.
• Stay at your best: As a member, we'll pay 100% of your premiums for comprehensive health, dental, and vision insurance. We'll also pay the majority of the premiums for your family. Let's not forge free access to a fully equipped state of the art gym!
• Keep current on new technologies and technological advancements: $5250 per year towards ongoing education, trainings, certifications, and maintaining professional memberships.
• Dress in style: Spend up to $300 per year on company branded merchandise featuring top quality brands such as Under Armour, Nike, Carhartt, YETI, etc.
• Enjoy the culture: Attend fun company events throughout the year such as our Oktoberfest, summer picnic, and annual holiday party! These are all in additon to your team events which may include happy hours, baseball games, snowboarding, RenFest, and more!

Every day, our elite customers are pushing through "the grind" to defeat the enemy, even putting their lives on the line for our freedom. Rise to the occasion with us to deliver engineering excellence, to match their dedication to this nation. Join us as we bring digital transformation to the fight!