Sr Linux Engineer (Redstone Arsenal - Huntsville)

Location: Redstone Arsenal, Huntsville Alabama (ON-SITE)
Clearance Required: Active DoD Secret
Travel: Up to 10%

LaunchTech is seeking a Senior Linux Engineer to support the Missile Defense Agency (MDA). This role is central to sustaining mission-critical cybersecurity infrastructure in a dynamic Department of Defense (DoD) environment. You will ensure operational readiness, security, and performance of cybersecurity tools, platforms, and applications while strengthening the agency’s defense against evolving threats.

What You’ll Do

As a Senior Linux Engineer, you will:

• Install, configure, and maintain Linux servers (e.g., Red Hat Enterprise Linux, CentOS) within physical and virtualized environments (e.g., VMware, RHV, Azure)

• Implement and manage system security hardening according to DISA STIGs, NIST guidelines, and DoD policies

• Perform system patching, upgrades, and vulnerability remediation in a timely and efficient manner

• Monitor system performance, troubleshoot issues, and optimize configurations for optimal performance

• Develop and maintain system documentation, including standard operating procedures (SOPs) and diagrams

• Support the implementation, configuration, and maintenance of a variety of cybersecurity tools, including but not limited to: ArcSight, Elastic, ACAS, Trellix EPP

• Troubleshoot technical issues related to cybersecurity tools, including integration challenges, performance bottlenecks, and configuration errors

• Develop and maintain scripts and automation to streamline security operations tasks and improve efficiency

• Collaborate with security analysts and incident responders to investigate and resolve security incidents

• Participate in security assessments and audits to ensure compliance with DoD regulations and security best practices

• Develop and implement security policies and procedures to protect sensitive data and systems

• Automate security tasks using scripting languages (e.g., Bash, Python, Ansible)

• Work closely with other engineers, analysts, and security professionals to achieve common goals

• Communicate effectively with technical and non-technical stakeholders

• Provide technical guidance and mentoring to junior engineers

• Participate in on-call rotation for after-hours support

What You Bring

Basic Requirements:

• Must have 14, or more, years of general (full-time) work experience

  • May be reduced with completion of advanced degree

• Must have 6, or more, years of direct experience in Linux server management

• Must have experience with system hardening and security best practices for Linux systems.

• Must have experience with configuration management tools such as Ansible, Puppet

• Must have experience with virtualization technologies such as VMware, KVM, RHV.

• Must be able to support after-hour maintenance window work, as needed.

• Must have a current IAT Level II Certification (Security+ CE)

• Must have a current Linux based certification (RHCSA, RHCE, LPIC)

• Must be able to maintain a restricted badge and work on site 4+ days per week

• Must have an active DoD Secret Clearance

Desired Requirements:

• Have experience with Cyber tools such as ArcSight, Elastic, ACAS, Trellix EPP

• Have experience with database administration (e.g., MySQL, PostgreSQL).

• Have experience with containerization technologies such as Docker or Kubernetes.

• Be proficient in scripting languages such as Bash, Python, or Perl.

• Have a familiarity with the MDA and BMDS programs

This position is expected to pay $140,000 - $160,000 annually, depending on experience, education, and any certifications that are directly related to the position.

Why LaunchTech?

At LaunchTech, we don’t just fill seats, we bring in people who want to make an impact. We deliver Excellence, Period. That means you’ll contribute to mission-critical work, grow your skills, and be part of a team that values innovation, integrity, and execution.

We offer competitive benefits, including:

• Medical, Dental, and Vision coverage

• 401(k) with company match

• Paid Time Off (PTO)

• Opportunities to make a difference while advancing your career

• And more

Ready to Join the LaunchTech Crew?

If you’re ready to step into a role where your expertise matters, we want to hear from you.

LaunchTech is an Equal Opportunity Employer. We prohibit discrimination and harassment of any kind. All qualified applicants will receive consideration for employment without regard to race, protected veteran status, color, sex, religion, sexual orientation, national origin, disability, genetic information, age, pregnancy, or any other status protected under federal, state, or local law.

Visit to learn more about how we deliver Excellence, Period.