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Lead Network Security Engineer- Multiple Firewall Technologies
Lead Network Security Engineer- Multiple Firewall Technologies-March 2024
Phoenix
Mar 28, 2026
About Lead Network Security Engineer- Multiple Firewall Technologies

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

The Network Security Engineer will be providing network security support to a large dedicated federal agency. They will support the network security architecture to include support of Cisco Identity Services Engine (ISE), Cisco Firepower NGFW firewalls, Cisco RAS AnyConnect, Cisco Secure Firewall Management Center, Juniper SRX, CheckPoint NGFW, Palo Alto Panorama, Palo Alto NGFW, Fortinet Firewall Product and Virtual Azure and AWS Firewalls. AAA, 802.1x, various VPN deployments, STIG implementation and verification and 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 high end customer facing experience as an Engineer of last resort.

Interfacing with vendor on production bug discovery, fixes, and testing.

Prepare Methods of Procedures (MOP) document for change management.

Lead a team of Sr. Engineers during preparation and execution of maintenance windows.

Prepare and present Root Cause Analysis for customer and internal stakeholders.

Foundation: Strong experience in monitoring, maintaining, troubleshooting, and configuring BGP routing.

Expert Combination of two or Three Firewall Technologies from the Five Major Firewall Vendors:

Cisco ASA and/or FirePOWER NGFW firewalls, Cisco RAS, Cisco Secure Firewall Management Center, Cisco Identity Services Engine (ISE)

Fortinet Fortigate, FortiManager, FortiAnalyser.Strong experience with.

CheckPoint Firewalls, CheckPoint Management Domain System.

Juniper SRX

Palo Alto Prisma, Panorama, Palo Alto NGFW.

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

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

Knowledge of Cisco Internetworking including IPV4 and IPV6 addressing (subnets, CIDR), switching (VLANs, 802.1q, IGMP, etc..) and routing (OSPF, EIGRP, BGP, PIM, multicast, etc.) and Cisco IOS.

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, VRF, VDOM, 802,1x, and port-security.

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

What We Look For in a Candidate

Typically 8+ years of IT Security experience with Bachelor’s Degree, or equivalent education and experience; 6+ year of IT Security experience with Master’s Degree.

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

Must be able to pass Government Security Suitability.

Must have 2 of the following: Expert level Cisco Firewalls, Experience Expert level with Fortigates, Expert level with Palo Alto, Expert level with Juniper SRX, Expert level with CheckPoint.

Certifications: CCSP, CCIE Security, PCNSE, CCSE, JNCIE-Sec.

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 WY

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

$114,082 - $152,109 in these states: AK CA CT DC DE IL MA MD NJ NY TX VA 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 #: 336519

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

02/28/2025

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