System Administrator (Linux)

Description

People-Focused. Mission-Obsessed.

Tired of the same old corporate grind? Welcome to RenXTech, where we’ve ditched the status quo to carve our own path to success. We believe that happy, well-supported employees lead to exceptional results. Our culture thrives on creativity, innovation, and an unorthodox approach where you're not just a cog in the machine – you're the engine driving success.

At RenXTech, we're not just different – we're better. We handpick talent, ensuring every team member aligns with our mission and values. This selective approach means you’re surrounded by the best in the industry, working on impactful projects that match your skills and passion. Our legendary team events create an environment where communication is direct, morale is high, and every day feels like a new adventure. Join us and experience a workplace that truly puts you first.

What We’re About:

• Employee-Centric Culture: At RenXTech, our employees are our top priority. We provide comprehensive support, from competitive benefits to legendary team-building events, ensuring our team stays happy and motivated.
• Mission-Driven Excellence: We tackle national security challenges head-on, helping protect the American People by identifying threats, securing vulnerabilities, and ensuring mission success.
• Innovative Solutions: Our creative problem-solving and innovative practices have earned us recognition and awards, setting us apart in collaboration, innovation, and performance.
• Selective Recruitment: We carefully select individuals who align with our mission and values, building a powerhouse team that drives our continued success and reputation.
• Career Growth Opportunities: With a diverse portfolio of mission-focused contracts, we offer our employees ongoing career advancement, fostering personal and professional growth.
• Comprehensive Well-Being: We are committed to the physical, financial, and emotional well-being of our team members and their families, offering flexible, competitive compensation and benefits.

Ready for More?

We're not just another company – we're a powerhouse of mission-driven excellence and employee-centric culture. Join us, and you'll be part of a selective, dynamic team that thrives on creative problem-solving and relentless pursuit of success. If you're passionate about making a real impact and want to grow with a company that truly values and supports you, than get ready to be a part of something extraordinary!

Qualifications

Ready to join RenXTech and break the mold with a team that's redefining the future of cyber and operational support? We're hunting for top talent with the skills to crush challenges and drive mission success. Keep reading and get ready to bring your A-game!

The Systems Administrator position will apply expertise in the installation, configuration, operations, and maintenance of Linux-based architectures. The systems administrator will focus on improving the stability and performance of the platform, maintaining and improving the security posture of the domain, continuous monitoring of system health, and troubleshooting issues that arise. This individual is accountable for Linux and application systems that support the infrastructure. Responsibilities on these systems include engineering, operations and maintenance, and research and development to ensure continual operation. The individual must be proficient in building, documenting, and providing tier 3 engineering support.

The position requires deep technical knowledge of systems, networks, and application security as well as a solid understanding of enterprise-level security frameworks, policies, processes, and standards. The candidate must have strong analytical skills for troubleshooting complex issues, attention to detail, and the ability to multitask in a fast-paced environment. Key duties include maintaining operating systems, application support, integration, design, and assistance with additional duties as needed to support the team.

To keep breaking barriers and redefining what's possible, we’re looking for candidates with the following exceptional technical capabilities:

• Provide daily operational support for Linux operating systems and applications
• Support virtual and physical infrastructure of servers running Rocky8 (and other RedHat derivatives) in dev, test, and production configurations
• Support an infrastructure of different applications comprising of end user applications, developer tools and infrastructure support applications.
• Develop and maintain environments running in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP).
• Develop and maintain standards and procedures for applications across a complex computing infrastructure
• Develop and maintain comprehensive documentation
• Monitor application and operating system performance; analyze, document and remediate incidents
• Develop and oversee implementation of testing strategies and document the results
• Leverage scripting and system automation tools
• Maintain current knowledge of relevant technologies
• Research and recommend hardware and software, coordinate installation, and provide backup recovery
• Interact with users and evaluate vendor products
• Review incidents to understand the root causes and ensure implementation of proper fixes
• Collaborate with system administrators, engineers, and the client to ensure proper integration of applications
• Configures system controls for Linux platforms, and remediates issues found by Continuous Monitoring activities
• Works with tech team to complete required maintenance and patching, DTOs, File Transfers
• Provides security reports (e.g. Log files, Scans, etc.)
• Coordinates security waivers and approvals

• Bachelor's Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical certifications, training, and work experience.
• Extensive experience with Red Hat or other derivative OS’ (CentOS, Rocky, Scientific Linux)
• Demonstrated experience with automating configuration and change management using scripting languages. (Bash, Python, Ansible, etc.)
• Demonstrated experience with Collaboration platforms, such as Atlassian Jira and Confluence.
• Demonstrated experience using local virtualization platforms (VMWare Workstation, Oracle VirtualBox)
• Demonstrated experience collaborating with other systems administrators, storage administrators, application developers, and network engineers to solve complex problems

• Certified Linux System Administrator

• Demonstrated experience with configuration management languages (such as Ansible, Puppet, or Chef)

• Demonstrated experience with other Linux OS systems (Ubuntu, Debian, FreeBSD)

• Demonstrated experience in server builds using automated mechanism

• Demonstrated experience with VMWare ESXi infrastructure 6.x vCenter server, host clustering with HA, DRS, replication

• Knowledge of network engineering fundamentals and network design

• Demonstrated experience with Microsoft Window Server 2019

• Demonstrated experience working with syslog applications such as Splunk

• Demonstrated experience with Hadoop infrastructure and applications (HDFS, Hue, Impala, Oozie, Solr, Spark, Yarn, Zookeeper) a plus

• Demonstrated experience with Cisco switches or Cisco Firepower Security Appliances a plus

• Demonstrated experience with managing Elasticsearch on Linux systems

• AWS Certification a plus

• ITIL Foundations Certification a plus

• Certifications relating to IT Security (CISSP, GIAC, Security ) a plus

Website: http://www.renxtech.com

Linkedin: https://www.linkedin.com/company/renegade-technology-llc

RenXTech is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

RenXTech, a wholly owned subsidiary of BE, is a leading provider of cyber, technical, analytical, and operational support, headquartered in McLean, VA. Since our inception, we've delivered cutting-edge solutions driven by a profound understanding of our clients, their missions, and their unique challenges. Our dedication to diversity and inclusion shapes our vibrant culture, fostering creativity, innovation, and engagement. Through open communication and a supportive team dynamic, we champion the acceptance of new people and ideas, driving us toward excellence. RenXTech is an Equal Opportunity Employer–Minorities / Women / Veterans / Individuals with Disabilities / Gender Identity / Sexual Orientation. RenXTech is an E-Verify employer.