Senior Systems Engineer
Listed on 2026-06-06
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IT/Tech
Systems Engineer, IT Support, Cloud Computing: Infrastructure & Operations, Systems Administrator
Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an age of Strategic (Great Power) Competition.
We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.
We are looking for a highly skilled Linux Systems Engineer to help design, build and maintain our internal services. A successful candidate will have experience self-hosting and building services from open-source tools.
Responsibilities- Install, configure and maintain Linux systems and servers, ensuring optimal performance and uptime for internal business operations.
- Automate system administration tasks using scripting languages like Bash or Python,
with a focus on Ansible for configuration management. - Make objective and technically sound recommendations for potential future hardware and software purchases. Implement and configure open-source software solutions to meet business needs.
- Proactively monitor existing Linux-based system health, provide O&M and troubleshoot performance issues. Integrate with Dev Ops practices and collaborate with development teams to streamline infrastructure management. Stay up-to-date on the latest Linux distributions, tools, security best practices, and Dev Ops trends.
- Manage user input and make suggestions for service improvements, provide tier 2/3 technical support. Document procedures and share knowledge with the team. Collaborate with other IT professionals to ensure smooth system integration.
- 8+ years of experience as a Linux Systems Engineer or similar role.
- Excellent understanding of security principles and best practices.
- In-depth knowledge of Linux internals, kernel management, and troubleshooting techniques.
- Proven experience installing, configuring and managing software, patches on internal Mac’s and self-hosted Linux-based computers.
- Experience with scripting languages like Bash or Python.
- Familiarity with FreeBSD, GIT, Post Fix, XWiki, Thunderbird, Zulip
- Strong problem-solving and analytical skills.
- B.S. in relevant field (Computer Science, Computer Engineering, etc) with 8+ years’ experience, or 10+ years in relevant field.
- Must be able to obtain a security clearance, therefore, U.S. citizenship is required.
- Ability and willingness to work in our Leesburg, Virginia office full-time.
- RHCE, Red Hat Certified Engineer certificate or RHCSA, Red Hat Systems Administrator certificate
- Familiarity with networking concepts and protocols.
- Experience with containerization technologies (e.g., Docker)
- Knowledge of virtualization technologies (e.g., KVM).
- Administration and performance tuning of open-source software (e.g., Apache, NGINX, squid, Open Search, Nextcloud, Zabbix, AWX, etc.)
- Experience with monitoring systems preferred (Zabbix, Nagios, or similar Open Source solutions)
- Ability to write scripts as needed (e.g., shell scripts, Python, Perl, PHP, etc.)
- Understanding of PKI, CA's, SMIME, etc.
- Excellent communication and collaboration skills.
- Ability to work independently and manage multiple priorities.
- A passion for learning and staying up-to-date on the latest Linux technologies and Dev Ops methodologies.
We seek the best-and-brightest professionals at all levels so offer highly competitive compensation and an excellent benefits package. Company-sponsored benefits include: 6% 401(k) company match with immediate vesting, educational assistance up to $7,000 per year, 100% insurance premium subsidy for employees (75% for dependents), Anthem medical, Guardian dental, life and disability coverage, 3 weeks’ vacation, 2 weeks sick leave, and 11 holidays.
Quantum Leap is an Equal Opportunity Employer
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