Jobs in the United States

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Added 2 mins ago
Mechanical Engineer III
Sierra Nevada Corporation
Lone Tree, CO
Qualifications You Must Have:
Added 2 mins ago
IT Support Technician III
Sierra Nevada Corporation
Sparks, NV
Qualifications You Must Have:
Added 2 mins ago
Enterprise Architect (Solutions Engineer), Identity
Workday, Inc.
Remote, United States
…who can build trusted executive relationships, shape complex security and identity focused sales cycles, and help accelerate market adoption in a strategic growth area for…
Added 2 mins ago
Software Development Engineer - US Federal
Workday Government, LLC
United States
…the U.S. Federal Government which, due to federal government security requirements, mandates that all Workday personnel working on the contracts be United States citizens (naturalized or…
Added 3 mins ago
D
Technical Account Manager
Delinea
Remote, United States
- $89,760 to $112,200 USD / year
- Must have UNIX and/or Linux administration experience in large organizations
Added 3 mins ago
RH
Cyber Security Engineer
Robert Half
Dallas, TX
- $55 to $75 USD / hour
An established organization is seeking a Cybersecurity Engineer to strengthen the security posture of enterprise systems and infrastructure. This role will focus on threat detection,…
Added 4 mins ago
H
Senior IT Engineer, Automation
Horizon3
Remote, United States
- $161,904 USD / year
- Must have hands-on experience building and running automations in a workflow or integration platform · - Must have experience writing Python to automate business or IT processes, including calls to REST APIs
Added 5 mins ago
CA
Building Inspector (6331) - Citywide - (X00137)
City and County of San Francisco
San Francisco, CA
- $142,116 to $172,770 USD / year
Specific information regarding this recruitment process are listed below:
Added 6 mins ago
Construction Engineer
Egis Group
Franklin, TN
…program designed to promote your health, well-being, financial security, and professional growth,…
Added 6 mins ago
Construction Engineer
Egis Group
Knoxville, TN
Egis is looking for a Construction Engineer in Eastern TN.
Added 6 mins ago
Software Engineer NextGen AI Search
Cisco Systems, Inc.
RTP, NC
…CIRCUIT, our universal enterprise AI platform designed to collapse information silos and amplify productivity through intelligent, agentic…
Added 6 mins ago
Software Engineer NextGen AI Search
Cisco Systems, Inc.
San Jose, CA
…CIRCUIT, our universal enterprise AI platform designed to collapse information silos and amplify productivity through intelligent, agentic experiences. As a Technical Leader, you will sit…
Added 6 mins ago
AI Engineer 3 (AI Foundations)
Capital One
NY · McLean, VA · San Jose, CA
Contribute to governance and security efforts for model traceability, lineage documentation, and version control of deployed AI assets
Added 6 mins ago
Network Engineer 4 ((Cloud Operations Resilience Engineering)
Capital One
Plano, TX · McLean, VA · Richmond, VA
…frameworks and emerging technologies to join our team. As a Network Engineer, you’ll have the opportunity to be on the forefront of driving a major transformation across Capital…
Added 8 mins ago
Nuclear Criticality Safety Engineer
Management Solutions LLC
Knoxville & Aiken, SC, TN
Management Solutions is seeking an experienced Nuclear Criticality Safety (NCS) Engineer to join our growing Nuclear Engineering practice. This client-facing consulting position supports…
Added 8 mins ago
CI
System Engineer Level 3
CHAREM ISD and our local districts
Charlevoix, MI
- From $35.92 USD / hour
- Bachelor’s degree in Computer Science, Information Systems, Network Engineering, or a closely related field preferred; Associate’s degree paired with significant enterprise or K–12 IT…
Added 9 mins ago
Logistics Project Engineer
Airbus Americas, Inc.
Mobile Area, AL
Airbus Commercial Aircraft is looking for a Logistics Project Engineer to join our Logistics Operational Excellence team based in Mobile, AL.
Added 10 mins ago
Engineering Technician 7 - Balloon Parachute Rigger
Analytical Mechanics Associates, Inc.
Remote, United States
…range of Science, Engineering, Multimedia & Visualization, Information Technology, and Data Analytics…
Added 11 mins ago
GA
Lead Engineer - Structural Mechanics & Dynamics
GE Aerospace
Niskayuna, NY
- $80,000 to $150,000 USD / year
This role may require use of Controlled Unclassified Information (CUI) or security clearance to access classified information. Therefore, employment is contingent upon your ability to prove…
Added 12 mins ago
Senior Systems Security Engineer
Lumen Technologies
Remote, United States
Candidates must have a strong background demonstrating
Added 13 mins ago
EC
Senior Software QA Engineer - Automation
Entrust Corporation
Shakopee, MN
- $91,619 to $134,375 USD / year
Must have unrestricted work authorization in the U.S · Where you will be: This is a hybrid role requiring three days per week in our Shakopee, MN headquarters office
Added 14 mins ago
Senior Application Security Engineer
TrueCommerce
Remote, United States
We are seeking a Senior Application Security Engineer to proactively engage with Engineering and TechOps to ensure the security of TrueCommerce’s customer-facing products. You will…
Added 15 mins ago
Product Group Technology Manager (Supervisor)
Nucor
Waterloo, IN
…perspectives, invite teammate input to solve problems, and provide the information, tools, and resources the team needs to…
Added 15 mins ago
Staff+ Software Engineer, Consumer
Anthropic
San Francisco, CA
You'd be a founding engineer, and engineers here own products end to end. You won't be handed a spec. You'll come up with the bet, shape a vague idea into the leanest real version one, and…
Added 15 mins ago
Software Engineer NextGen AI Search
Cisco
San Jose, CA
…CIRCUIT, our universal enterprise AI platform designed to collapse information silos and amplify productivity through intelligent, agentic experiences. As a Technical Leader, you will sit…

Lumen Technologies

Senior Systems Security Engineer

OR, United States

Apply on internaljobs.centurylink.com About employer

Applications open in a new tab.

Job details

Apply by: Nov 21, 2026
Experience: 6 years of experience, or 4 with Masters degree
Posting language: English
Posted: Nov 13, 2026

Original job description

Lumen is the trusted network for the AI‑powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high‑performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities.

At Lumen, you’ll work on infrastructure customers rely on today and build for what’s next, where performance, security, and resilience matter.

This is a high accountability environment where bold ideas drive real innovation for our customers, partners, and industry. The work is challenging, expectations are clear, and trust is built into how we operate. If you’re ready to take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today. The Role

Lumen’s Black Lotus Labs is seeking a Lead Site Reliability 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

Respond to system alerts and take appropriate action to troubleshoot and resolve identified issues.
Open and maintain Jira tickets to track system issues, tasks, and required follow-up activities.
Investigate system resources, processes, and performance issues to identify root causes and potential solutions.
Maintain system infrastructure to support ongoing stability, reliability, and availability.
Tune and optimize systems to improve overall performance, efficiency, and resource utilization.
Enhance monitoring and alerting systems to improve visibility into system health and proactively identify potential issues.

What We Look For in a Candidate

Required

Bachelors Degree
6 years of experience, or 4 with Masters degree

Preferred

Masters Degree
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

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:

$82,969 - $110,625 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.

$87,117 - $116,156 in these states: CO, HI, MI, MN, NC, NH, NV, OR, and RI.

$91,266 - $121,688 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

Requisition #: 344348

Life at Lumen

Life at Lumen is human and connected, even in a fast moving, AI‑focused organization. We set clear expectations and trust people to meet them. With real support and shared accountability, teams collaborate better, move faster, and deliver meaningful outcomes.

Our Lumen 8 behaviors guide how we interact, make decisions, and work together, shaping a culture built to perform and win.

To learn more about Life at Lumen and how we live the Lumen 8, please visit: https://jobs.lumen.com/global/en/life-at-lumen

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.

Privacy Notice

Lumen is committed to protecting the privacy and security of personal information collected during the recruitment and hiring process. Our Applicant Privacy Notice explains how we collect, use, disclose, and protect applicant information, as well as how individuals may request access to or deletion of their personal data.

To review Lumen’s Global Employment Applicant and Talent Community Privacy Notice, please visit: https://jobs.lumen.com/global/en/privacy-notice

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.

Apply on internaljobs.centurylink.com About employer

More about this job

Skills

Cybersecurity
Distributed computing
Linux
Research
Ubuntu
Apache Hadoop
Apache HBase
Apache Spark
Apache Kafka
Elasticsearch
Redis
Docker
Troubleshoot
Jira
Monitor system performance
GitLab
Bash
Python
CI/CD
IpTables

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Work requirements

Jobs in the United States