Lead Information 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

The Network Security Engineer will be providing network security support to a large dedicated federal agency. They will be responsible to support the network security architecture to include support of Cisco Identity Services Engine (ISE), Cisco Firepower NGFW firewalls, Cisco Secure Firewall Management Center, AAA, 802.1x, various VPN deployments, STIG implementation and verification, other security requirements as needed. The Security Engineer may be required to assist with additional network/security engineering tasks, development of architectural and technical briefs or documents on the design, capabilities, and functional operation of security technologies and projects.

The Main Responsibilities

- Strong experience in monitoring, maintaining, troubleshooting, and configuring ASA and/or FirePOWER NGFW firewalls, Cisco Secure Firewall Management Center, and access control lists.

- Strong experience with Cisco Identity Services Engine (ISE).

- Strong understanding of AAA concepts.

- Strong experience with client-based VPN as well as various site-to-site VPN technologies.

- Strong Experience with Cisco RAS and integration with Active Directory (AD)

- Strong ability to troubleshoot network issues at the protocol/packet level using sniffers, protocol analyzers, netflow, logging, etc.

- Strong technical network troubleshooting and critical thinking skills with the ability to troubleshoot technical issues within multiple systems.

- Knowledge of Cisco Internetworking including IP addressing (subnets, CIDR), switching (VLANs, 802.1q, IGMP, etc..) and routing (OSPF, EIGRP, BGP, PIM, multicast, etc.) and Cisco IOS.

What We Look For in a Candidate

- Strong knowledge of IP networking fundamentals including OSI model, frame and packet structure, (OSI, frames, packets etc.).

- Experience with network and performance monitoring tools (Cisco IP SLA, SolarWinds, HP NA, NetFlow & Splunk).

- Experience in network security, tools, and technologies including firewalls, VRFs, 802,1x, and port-security.

- Proven ability to work in a dynamic team environment with changing requirements and competing priorities.

- Must be able to participate in an on-call rotation and occasionally work off hours for network maintenance and changes.

- Additional Nice to have: Experience expert level with Fortigates, Experience Expert level with Palo Alto

- Education: BS, MS, Computer Science

- Certification: CCSP, CCIE Security.


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 – $140,256 in these states: AR, ID, KY, LA, ME, MS, NE, SC, and SD.

$99390 – $150,240 in these states: AZ, FL, GA, IN, IA, KS, MO, MT, NM, ND, OH, OK, PA, TN, UT, VT, WV, WI, and WY.

$104360 – $160,448 in these states: CO, HI, MI, MN, NV, NH, NC, OR, and RI.

$109330 – $172,665 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.

Requisition #: 331409

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

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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: JC250402912

Posted On: Oct 29, 2023

Updated On: Dec 04, 2023

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