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Lead Network Engineer - Public Sector

Lumen Technologies
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Works From Home, Virginia
Aug 02, 2026

Lumen is the trusted network for AI. We’re transforming how businesses connect, secure, and scale in an AI-driven world.

By connecting people, data, and applications quickly, securely, and effortlessly, we help organizations move faster and unlock what’s next.

At Lumen, people power progress. Our culture is built on teamwork, trust, and transparency, giving you the flexibility, support, and opportunity to make a lasting impact. We’re looking for top-tier talent ready to take on the challenge. Join us in building the future.

The Role

We are looking for a strong leadership / hands-on Network Engineer to work with our customers capable of assessing the current state infrastructure, configuration and producing a target-state vision and strategy with best practice recommendations. Applies advanced engineering and network principles, theories, concepts, technologies to solve unusually complex problems and issues. Interacts and drives vendor requirements, resolution of bug fixes, code upgrades, and vendor development as necessary. Resolves difficult production/interoperability problems by working with cross functional teams and applying advanced engineering and network principles, theories and concepts. Regarded as a subject matter expert and may act as a technical project leader or provide leadership for the team and/or customer. Self-motivated with problem solving capabilities, sense of urgency and accountability. The position is hybrid and requires weekly on-site support. 

Required: Active TS/SCI with ability to sit for a Poly.  Candidates will be subject to a background investigation. 

The Main Responsibilities

  • Install, configure, and maintain Juniper network devices, including MX, QFX, and the latest SRX Series security platforms. 
  • Configure and support security services on SRX devices, including zone-based policies, firewall filters, IPsec/SSL VPNs, tunneled connections, and MACsec encryption. 
  • Implement and troubleshoot advanced routing protocols, including BGP (with communities, route filtering, AS-path, MED), OSPF, IS-IS, and MPLS/LDP. 
  • Support and maintain high-speed fiber optic interfaces, including 10G, 40G, and 100G ports, with experience in LACP, optical diagnostics, and transceiver troubleshooting. 
  • Manage network performance, availability, and security by applying CoS/QoS, policy-based routing, and traffic shaping techniques. 
  • Design and support VPN tunnels and secure transport links between data centers, cloud services, and remote sites. 
  • Maintain detailed and accurate network documentation, including configurations, IP address management, and topology diagrams. 
  • Works directly with the customer to advise on requests and make necessary configuration changes. 

What We Look For in a Candidate

  • Required: Active TS/SCI with ability to sit for a Poly.  Candidates will be subject to a background investigation. 
  • 7 years of experience with Juniper platforms (MX, QFX, and new-generation SRX devices). 
  • Strong expertise in routing protocols such as BGP, OSPF, IS-IS, and MPLS, including real-world experience with complex policy configurations. 
  • Experience with security and tunneling technologies, including MACsec, IPsec, GRE, and firewall zoning and policies. 
  • Proficiency working with fiber interfaces at 10G, 40G, and 100G, including troubleshooting transceivers, optical power levels, and port configurations. 
  • Advanced knowledge of the JUNOS CLI, with familiarity in network automation tools such as Ansible, Junos PyEZ, or other scripting platforms. 
  • Experience working with network monitoring and management tools, including SNMP, syslog, NetFlow, and centralized logging systems. 
  • Ability to work well with others to achieve common goals and to foster a cooperative climate, as well as to work independently in the field with little supervision. 
  • Ability to support after-hours outages and maintenance actions. 
  • Experience working independently with little supervision. 
  • Excellent oral and written communication skills. 
  • Additional Preferred Qualifications 
  • Juniper Networks Certifications: JNCIS-SEC, or higher  

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

$114,082 - $152,109 in these states: MD  VA 

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-Remote

Requisition #: 341792

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 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 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.

Job ID

1133912551700|loc2

Security Clearance

TS/SCI
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