Linux System Security Engineer
Quantum Leap Research, LLC
Job Description
Job Description
We are seeking a highly skilled mid or senior level Linux System Security Engineer to join our team. The ideal candidate will have a strong background in Linux and networking, as well as experience in securing the systems and devices.
Responsibilities:
- Design, implement and maintain security practices across our infrastructure, focusing heavily on on-premises systems.
- Regularly audit systems for security vulnerabilities, apply security patches, and provide recommendations to mitigate risks.
- Automate security tasks using configuration management tools like Ansible.
- Perform system hardening, including kernel tuning, service management, and the secure configuration of our infrastructure.
- Stay up-to-date on the latest security threats and trends.
- Work closely with other engineers and security professionals to ensure a shared understanding of security risks and mitigation strategies.
Qualifications:
- B.S. in field of technology (Computer Science, Computer Engineering, etc.) with a minimum of 10 years experience in relevant field (Security Engineer, Linux Systems Administrator or similar role).
- Strong understanding of security principles and best practices.
- Proven experience with Linux and open-source tools such as Git, Elasticsearch or OpenSearch, and Wazuh.
- Proficient in scripting languages (Shell, Python) to develop security tools, automate monitoring tasks, and enhance system defenses.
- Strong understanding of networking protocols (TCP/IP, DNS, DHCP, VPN, etc.) and security implications, including network segmentation, firewalls, and VPNs.
- Experience with Ansible, writing and maintaining playbooks and roles.
- Excellent communication and collaboration skills.
- Ability to work independently and as part of a team.
- A passion for learning and staying up-to-date on the latest security trends.
- Able and willing to work full time in the Leesburg office.
- Must be able to obtain and maintain a U.S. Government-issued security clearance; therefore, U.S. citizenship is required
Preferred:
- Familiarity with DNS infrastructure and tools (BIND, Unbound, and/or PowerDNS)
- Experience with Fluent Bit or Fluentd for log collection, processing, and forwarding in distributed environments.
- Experience with Virtualization technologies (VMWare, Virtual Box, Proxmox)
- Experience with BSD
Compensation and Benefits:
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
\nCompany Description 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.
Company Description
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. \r\n \r\nWe 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.
- ...A leading technology services firm in Leesburg, Virginia, is seeking a Linux Systems Engineer to design, build, and maintain internal services. The ideal candidate will have over 8 years of experience, strong knowledge of Linux internals, and experience with automation...LinuxFull time
$140k - $180k
...the world.What We’re Looking For:We are looking for an engineer who loves working with computer systems and is heavily invested in the space industry. As a... ...as C, C++, Java, and PythonExperience working in Unix/Linux environmentsExcellent written and verbal...LinuxFull timeWork at officeRemote workShift work3 days per week$72.7k - $149.2k
...Job Title: Information Systems Security Engineer (ISSE) Job Category: Security Time Type: Full time Minimum Clearance Required to Start... ...Information Assurance Engineer, Cybersecurity Engineer, and/or Linux Systems Administrator. ~ Active Top Secret clearance with...LinuxFull timeContract workWork experience placementFlexible hours- ...spectrum cyber, data operations, systems integration and intelligence... ...thinker who enjoys solving complex engineering problems while working with a close-nit team as a Linux Systems Engineer. In this role... ...stack, streamline and secure applications, storage, physical...LinuxFull time
- ...founded by a team of technologists and engineers to focus exclusively on advancing USG interests... .... We are looking for a highly skilled Linux Systems Engineer to help design, build and... ...the latest Linux distributions, tools, security best practices, and DevOps trends....LinuxFull timeWork at officeImmediate start
$103.8k - $218.1k
...Job Title: Linux Systems Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS... ...engineers responsible for designing, building, maintaining, and securing Linux-based systems to ensure reliability, performance, and...LinuxFull timeContract workWork experience placementLocal areaFlexible hours$99k - $206k
...full-spectrum cyber, data operations, systems integration and intelligence mission support... ...Nightwing is seeking a highly skilled Linux Systems Engineer to design, deploy, optimize, automate,... ...scale Linux infrastructure supporting secure networking and remote-access services....LinuxFull timeRemote work$175k - $260k
...Senior Information Security EngineerSterling, Virginia, United StatesSeeking... ...computer networks and systems to identify and assess... ...operationsProficiency with UNIX/Linux and Windows operating systemsStrong... ...with reverse engineering and exploit developmentBackground...LinuxWork experience placement$131.3k - $237.35k
...entire USG arsenal. Our team of hackers and engineers have experience spanning centuries of... ...Description: We are looking for a Security Engineer to own the security posture of... ...-on experience securing and hardening Linux systems at the OS and network layer ~...LinuxLocal areaImmediate startRemote work$122k - $253k
...spectrum cyber, data operations, systems integration and intelligence... ...contract award**The Systems Engineer (SE) collaboratively works... ...platforms, Nutanix, Windows/Linux, automation tools, containerization... ...documents, test plans and security plans).Work with the customer...LinuxFull timeContract work$144.1k - $190k
Principal Systems Engineer - DefenseWe are growing and looking for a Principal Systems Engineer... ...Development ToolsAbility to operate and debug Linux and VxWorks based computing... ...advanced technology, enhanced safety, security, and performance. As a leading Modular...LinuxFull timeWork at office$131.8k - $290k
Job Title: Network Management Systems (NMS) Linux EngineerJob Category: EngineeringTime Type: Full... ...: We are seeking an experienced Linux Engineer to join our team with a background in... ...high performance, reliability, and security of our network monitoring and management...LinuxContract workWork experience placementLocal areaFlexible hours$130.36k - $221.6k
...Information Systems Security Officer (ISSO) At BAE Systems, we promote a strong, collaborative... ...Government (USG) agency program that engineers, deploys, and maintains a cloud-based Model... ...in administration of mixed Windows and Linux environments ~ Experience using...LinuxFull timeLocal areaFlexible hours$95.5k - $181.7k
...maintain a U.S. government issued security clearance is required. U.S.... ...of experience and renowned engineering expertise to meet the needs... ...more secure world. Raytheon's Systems Engineering and Test Capabilities... ...in both Windows and Linux environments for embedded systems...LinuxContract workTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours- ...Site Reliability Engineering Team Overview: Surrounding American Family mergers and acquisitions... ...team. Need in-depth knowledge of Linux, Windows Administration, setting up... ...certificate management, setting up the core systems--CPU, memory, storage, adjustments/...LinuxRemote work
- ...spectrum cyber, data operations, systems integration and intelligence... .... The team comprises engineers of multiple disciplines including... ...that is vital to our national security, apply today!Principal Cyber... ...experience with C/C++ on Unix/Linux platforms using Make/CMake build...LinuxFull timeRelocationRelocation package
- Job Title: Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required... ...basic commands and navigation of the Linux operating system. These Qualifications... ...systems. Desired Certifications: Security+ or CISSP Certification What We can Offer...LinuxFull timeFlexible hours
- ...founders are hardcore telecommunications engineers with combined 200 + years of experience in... ...This engineer will support the Operating Systems and Application infrastructure for ISD... ...skills: Operating System support: Windows or Linux Hardware Support: UCS B or C series,...LinuxShift workNight shiftWeekend work
$10k
...Must have Sec+ or better. Two (2) engineers needed. Required Education,... ...minimum, meet DoDD 8140 requirements (Security+ CE Certification) Expertise working with Linux platforms and COTS applications... ...VDAs), hypervisors, and storage systems Optimize VDI performance...LinuxFull timeContract workTemporary workImmediate startFlexible hours$113.2k - $237.8k
Job Title: Cyber Reverse Engineer, SeniorJob Category: EngineeringTime... ...wide-ranging national security cyber and hardware challenges... ...on traditional and embedded systems to identify functional behavior... ...development using C/C++ for Linux and/or Windows OS systemsActive...LinuxContract workWork experience placementFlexible hours$100k - $150k
...Systems Reliability Engineer – Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud... ...automation and tooling. Deep, hands-on experience operating Linux at scale, including networking, performance tuning, and...LinuxFull timeH1bLocal areaImmediate startRemote workVisa sponsorship- ...advanced full-spectrum cyber, data operations, systems integration and intelligence mission... ..., and programmatically manipulating Linux and WindowsExperience with NTP, DNS, Networking... ...Education: Bachelor’s degree in Systems Engineering, Computer Science, Information Systems...LinuxFull timeContract workWork experience placement
$99k - $206k
...spectrum cyber, data operations, systems integration and intelligence... ...System Administrator/Cloud Engineer to enhance our existing... ...also requires a knowledge of security and accreditation practices and... ...hands-on experience with AWS and Linux in a production environment.•...LinuxFull timeWork experience placementRemote work$100k - $150k
...Reliability Monitoring Engineer – Remote Bright Vision Technologies is a technology consulting... ...give engineering teams confidence in the systems they run. The role spans the full... ...incident management tooling. Solid grasp of Linux internals, networking, and container...LinuxFull timeH1bLocal areaImmediate startRemote workVisa sponsorship$99k - $206k
...spectrum cyber, data operations, systems integration and intelligence... .... The team comprises engineers of multiple disciplines including... ...that is vital to our national security, apply today!Senior Cyber Test... ...of experience working on Linux/Unix systemsBasic knowledge of...LinuxFull timeRelocationFlexible hours- ...Cloud Security Engineer Location: Sterling, Virginia (On-site) Employment Type: 6 month... ...risk management framework process for system accreditation, and contributing to the... ...improve the DevSecOps process within a Linux and cloud-based development environment...LinuxContract workVisa sponsorship
$77k - $163k
...spectrum cyber, data operations, systems integration and intelligence... .... The team comprises engineers of multiple disciplines including... ...that is vital to our national security, apply today! Senior Cyber EngineerCyber... ...with C/C++ on Unix/Linux platformsExperience...LinuxFull timeRelocationRelocation package- ...Research and investigate cyber security vulnerabilities that are... ...scanners or found by security engineers. Do in-depth deep dives on... ...applicability for an application or a system. Build proof of concept... .... Deep knowledge of Linux and Windows and their vulnerabilities...Linux
$118.3k - $224.9k
...transferable U.S. government issued security clearance is required prior to... ...required on day 1 Principal Software Engineer - Advanced Simulation & Training Systems (Onsite) At RTX, the world's... ...Familiarity with Windows and Linux development environments Candidate...LinuxTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$98.5k - $206.8k
...Title: Senior Cyber Automation Engineer - ISSEJob Category: EngineeringTime... ...tools in support of enterprise security requirements.Your responsibilities will include system hardening, preparing... ...guidanceKnowledge of Windows and Linux systems administration, general...LinuxContract workWork experience placementFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Linux System Security Engineer. Be the first to apply!
- healthcare systems engineer Leesburg, VA
- operations support system engineer Leesburg, VA
- operating system engineer Leesburg, VA
- system performance engineer Leesburg, VA
- systems engineer Leesburg, VA
- linux remote Leesburg, VA
- linux Leesburg, VA
- linux systems administrator
- linux engineer
- linux support engineer


