Lead Informtation Security Engineer

at Lumen in Dover, Delaware, United States

Job Description

About Lumen

Lumen is guided by our belief that humanity is at its best when technology advances the way we live and work. With 450,000 route fiber miles serving customers in more than 60 countries, we deliver the fastest, most secure global platform for applications and data to help businesses, government and communities deliver amazing experiences. Learn more about Lumen’s network, edge cloud, security and communication and collaboration solutions and our purpose to further human progress through technology at, LinkedIn: /lumentechnologies, Twitter: @lumentechco, Facebook: /lumentechnologies, Instagram: @lumentechnologies and YouTube: /lumentechnologies.

The Role

Lumen’s Black Lotus Labs is seeking a Linux Information Security Engineer and join our US-based Information Security / Big Data team. This small team of passionate security researchers works on vast, unique information security related data sets using our distributed computing cluster. The team is looking for a knowledgeable Linux admin with a passion for learning, running distributed systems, and an interest in the security domain. This is a team of people that love to be creative, learn new things, and innovate using their expertise to make an impact in the information security world. If you enjoy being at the cutting edge of technology and making the Internet a safer place, then this is the job for you.

This position will work within the platform and infrastructure of Black Lotus Labs, supporting the ongoing operations of a big data infrastructure that is used to ingest, parse, store, and analyze cyber threats, as well as supporting the operations of other systems to facilitate cyber security research and analysis. The work effort of the role is focused on the ongoing operational support of on-premises and cloud hosted Linux (Ubuntu) systems that support our Hadoop ecosystem (HBase, HDFS, Spark, Kafka, etc.), Elasticsearch and Redis clusters, Docker using Docker Swarm, a malware environment, and a network of honeypots.

The Main Responsibilities

What you will contribute to the team:

+ Responding to system alerts

+ Opening Jira task tracking tickets

+ Investigating of system resources and processes issues

+ Maintain system infrastructure

+ Tune and optimization systems

+ Adding to the monitoring and alerting systems

What We Look For in a Candidate

Candidates must have a strong background demonstrating

+ Knowledge of big data systems like Hadoop

+ Knowledge of Linux administration

+ Knowledge of system logging

+ Knowledge of host networking

Highly desired skills, experience, or knowledge will include:

+ Experience with Hadoop distributions

+ Experience with Docker and Docker Swarm

+ Experience with Gitlab repository

+ Scripting and automation (Bash/Python) of systems

+ Experience with CI/CD deployment tools

+ Experience with task tracking software like Jira

+ Administrating virtual machines on cloud providers

+ Securing Linux systems and associated applications

+ Knowledge of iptables and nftables tools

+ Managing system with infrastructure tools like Salt or Bash

+ Administrating Elasticsearch clusters


The starting salary for this role differs based on the employee’s primary work location. Employees typically do not start at the top of the range, though compensation depends on each individual’s qualifications.

Location Based Pay Ranges

$94420 – $123450 in these states: AZ, FL, GA, IN, IA, KS, MO, MT, NM, ND, OH, OK, PA, TN, UT, VT, WV, WI, and WY.

$104360 – $155350 in these states: CO, HI, MI, MN, NV, NH, NC, OR, and RI.

$109330 – $182200 in these states: AK, CA, CT, DE, DC, IL, MD, MA, NJ, NY, TX, VA, and WA.

As with the pay range variety that’s based on the region of a country, specific offers are determined by various factors such as experience, education, skills, certifications and other business needs.

What to Expect Next

Requisition #: 331434

When applying for a position, you may be subject to a background screen (criminal records check, motor vehicle report, and/or drug screen), depending on the requirements for the position. More information on what’s included in these checks can be found in the Post Offer section of our FAQ page ( . Job-related concerns noted in the background screen may disqualify you from the new position or your current role. Background results will be evaluated on a case-by-case basis.

EEO Statement

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.


The above job definition information has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities, and qualifications required of employees assigned to this job. Job duties and responsibilities are subject to change based on changing business needs and conditions.

Salary Range

Salary Min :


Salary Max :


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.

This position is eligible for either short-term incentives or sales compensation. Director and VP positions also are eligible for long-term incentive. To learn more about our bonus structure, you can view additional information here. ( We’re able to answer any additional questions you may have as you move through the selection process.

As part of our comprehensive benefits package, Lumen offers a broad range of Health, Life, Voluntary Lifestyle and other benefits and perks that enhance your physical, mental, emotional and financial wellbeing. You can learn more by clicking here. (

Note: For union-represented postings, wage rates and ranges are governed by applicable collective bargaining agreement provisions.

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Job Posting: JC251118118

Posted On: Nov 12, 2023

Updated On: Feb 03, 2024

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