Linux Unix Systems Administrator

About Lumen

Lumen connects the world. We are igniting business growth by connecting people, data and applications - quickly, securely, and effortlessly. Together, we are building a culture and company from the people up - committed to teamwork, trust and transparency. People power progress.

We're looking for top-tier talent and offer the flexibility you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape the future.

The Role

As the Linux / Unix Systems Administrator, you will be responsible for managing and maintaining the Voice Core Engineering and Test Teams' Linux and Unix-based systems. Your primary focus will be on ensuring the stability, security, and performance of these systems to support the Team. You'll provide technical expertise in Linux / Unix systems administration, Oracle SQL and PostgreSQL database management, scripting automation, and system performance optimization. A strong emphasis is placed on cloud-readiness and infrastructure configuration to support scalable services. Undertakes multiple highly complex Voice Core Engineering and Test projects and may require coordination across multiple business units. Understands that projects have defined timelines and missed dates impact performance.

Voice Core Engineering and Test Team contributes to the overall strategic engineering and test vision, analyzes test requirements, provides test solutions, and supports deployment into production as needed for assigned projects.

Location

This position is Work From Home from any US-based location.

US Citizenship or Permanent Residency / Green Card is required for consideration.

The Main Responsibilities

Admin Responsibilities :

System Management : Install, configure, and maintain Linux / Unix servers and related hardware. Ensure systems are running efficiently and securely.

Database Management : Expertise in Oracle SQL and PostgreSQL database management including the ability to analyze database performance and provide recommendations to improve database performance.

Automation and Scripting : Develop and maintain scripts to automate routine tasks and improve system efficiency. Utilize tools such as shell scripting, Python, or Ansible for automation.

Troubleshooting and Support : Provide technical support and troubleshooting for Linux / Unix systems and applications. Resolve system-related issues and work with other IT teams to address complex problems.

Team Responsibilities :

As you integrate into the Team, you will begin to learn and participate in these team responsibilities :

Virtualization and cloud computing solutions

Implementation of innovative technologies, processes, and tools within voice environments

Deploy and support voice technologies in large-scale network environments

Application of network security, server operating systems, virtualization, and open-source platforms

Manage voice test platforms, ensuring robust simulation and validation environments

Develop comprehensive test plans to assess system scalability, performance, redundancy, and maintainability

Collaborate on long-term voice platform and service strategy

Analyze complex test data and functional outcomes to drive quality assurance in diverse, real-world conditions

What We Look For in a Candidate

Education :

• Bachelor's degree in Engineering, Computer Science, or a related technical discipline (or equivalent combination of education and experience)

Experience :

5+ years of Linux / Unix experience in a large-scale enterprise environment. Solid grasp of Linux / Unix system administration and performance optimization

Strong foundation in automation scripting (e.g., Python, Shell, Perl) for performance tuning and system

In-depth knowledge of Oracle SQL and PostgreSQL database management

Cloud computing solutions such as public providers AWS, Google Cloud and Microsoft Azure, as well as private environments like VMWare

Skilled in troubleshooting and proactive problem resolution across diverse environments

Capable of managing multiple concurrent projects with shifting priorities

Highly professional, detail-oriented, and self-motivated with the flexibility to work nights, weekends, or non-standard shifts to meet critical deadlines.

Compensation

This information reflects the anticipated base salary range for this position based on current national data. Minimums and maximums may vary based on location. Individual pay is based on skills, experience and other relevant factors.

Location Based Pay Ranges :

$103,711 - $138,281 in these states : AL, AR, AZ, FL, GA, IA, ID, IN, KS, KY, LA, ME, MO, MS, MT, ND, NE, NM, OH, OK, PA, SC, SD, TN, UT, VT, WI, WV, and WY.

$108,896 - $145,195 in these states : CO, HI, MI, MN, NC, NH, NV, OR, and RI.

$114,082 - $152,109 in these states : AK, CA, CT, DC, DE, IL, MA, MD, NJ, NY, TX, VA, and WA.

Lumen offers a comprehensive package featuring a broad range of Health, Life, Voluntary Lifestyle benefits and other perks that enhance your physical, mental, emotional and financial wellbeing. We're able to answer any additional questions you may have about our bonus structure (short-term incentives, long-term incentives and / or sales compensation) as you move through the selection process.

Learn more about Lumen's :

Benefits ()

Bonus Structure

#LI-JS1

Requisition # : 340705

Background Screening

If you are selected for a position, there will be a background screen, which may include checks for criminal records and / or motor vehicle reports and / or drug screening, depending on the position requirements. For more information on these checks, please refer to the Post Offer section of our FAQ page () . Job-related concerns identified during the background screening may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Equal Employment Opportunities

We are committed to providing equal employment opportunities to all persons regardless of race, color, ancestry, citizenship, national origin, religion, veteran status, disability, genetic characteristic or information, age, gender, sexual orientation, gender identity, gender expression, marital status, family status, pregnancy, or other legally protected status (collectively, "protected statuses"). We do not tolerate unlawful discrimination in any employment decisions, including recruiting, hiring, compensation, promotion, benefits, discipline, termination, job assignments or training.

Disclaimer

The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions.

In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information.

Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name.

Application Deadline

12 / 13 / 2025