Linux Systems Engineer – Virtualization & Compliance

CTRL + LLC; San Antonio (TX); On-site; USD 114,000 - 147,000; Full time

Benefits offered by this job

10% employer 401(k) non-elective

Employer-paid life insurance

Disability insurance

Medical, dental and vision coverage

Professional development reimbursement

Technology reimbursement

Referral bonuses

Social and team events

Job summary

CTRL + LLC is seeking a security‑minded engineer to administer and troubleshoot Linux systems on-site in San Antonio, TX. You will support virtualization platforms and perform security compliance work essential to mission systems.

The role requires active TS/SCI with polygraph, hands-on hardware support, and the ability to work within commuting distance of the listed location. Strong DISA STIG experience is preferred.

Qualifications

• Active TS/SCI with polygraph clearance is required.
• Applicants must currently hold an active TS/SCI with polygraph and Ctrl+ does not sponsor new clearances.
• Applicants must live within commuting distance of San Antonio, TX.
• Experience with Linux systems and DISA STIG compliance on Linux.
• Familiarity with virtualization platforms (VMware, KVM, Proxmox).
• Hands-on hardware support experience.

Responsibilities

• Administer and troubleshoot Linux systems
• Support virtualization platforms
• Perform security compliance work
• Provide hands-on hardware support as directed by engineering teams

Skills

10 years experience

Linux administration

DISA STIG compliance on Linux

VMware

Red Hat KVM

Proxmox

Hands-on hardware support

Education

STEM education

Tools

VMware

Red Hat KVM

Proxmox

Job description

Work location: San Antonio, TX

Work arrangement: On-site

Required Clearance: TS/SCI with polygraph

Applicants must currently hold an active TS/SCI with polygraph. Ctrl+ does not sponsor new security clearances or clearance upgrades. Applicants who do not meet this requirement cannot be considered.

Location & In-Person Requirement

All positions require in-person work. Applicants must live within commuting distance of the listed work location to be considered. Some roles may allow limited telework, but regular on-site attendance is required. These are not fully remote positions.

Your next challenge

Keep mission infrastructure dependable, from the operating system to the hardware. Apply your Linux and virtualization experience in an on-site engineering role.

The mission

Support secure mission systems through software engineering, infrastructure integration, networking and dependable operational services.

What you'll do

• Administer and troubleshoot Linux systems
• Support virtualization platforms
• Perform security compliance work
• Provide hands‑on hardware support as directed by engineering teams

What you'll bring

• 10 years of relevant experience. Science, technology, engineering, or mathematics (STEM) education is listed; required degree level must be confirmed.
• Linux administration
• Customer security requirements and DISA STIG compliance on Linux
• VMware, Red Hat KVM or Proxmox
• Hands‑on hardware support

Compensation and flexibility

$82.69-$107.42 per hour in approximate pay; employer 401(k) contribution is additional.

Compensation: The listed range reflects approximate hourly pay across our compensation models and excludes Ctrl+'s employer 401(k) contribution. Your hourly pay will vary based on qualifications, experience, and the compensation model you select. The lower end reflects a no-bonus option with five weeks of PTO; the upper end reflects the Max Rate option without bonus or PTO.

Choose from three compensation models: Max Rate, With Bonus, or With Bonus and PTO. Offers include a projected five-year compensation comparison and a package comparison sheet. PTO and bonuses depend on the selected model and role eligibility.

Why Ctrl+?

Ctrl+ is a software engineering and staffing firm based in Elkridge, Maryland, supporting Department of Defense missions in the Fort Meade area and other listed locations. Founded by two college roommates, Brad and Bhavin, Ctrl+ brings a close-knit team approach, with founders who work on contracts alongside employees.

Benefits include:

• 10% employer 401(k) non-elective contribution
• Employer-paid life insurance and short- and long-term disability insurance
• Medical, dental and vision coverage options
• Employee Assistance Program
• Professional development and certification reimbursement
• Technology and ergonomic equipment reimbursement, subject to eligibility
• Referral and retention bonus programs, subject to eligibility
• Paid social and team events

Equal Opportunity Employer

Ctrl+ is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, genetic information, marital status, military or veteran status, or any other characteristic protected by applicable law. Hiring decisions are based on qualifications, experience, and job requirements. Reasonable accommodations are available to qualified applicants with disabilities during the application and hiring process.