ZipRecruiter

Log In

1

Senior Firewall Engineer Jobs in Frederick, MD (NOW HIRING)

Edgewaterit

Senior IT Analyst

Germantown, MD · On-site

$120 - $130/hr

Administration and support of Cisco Firepower firewalls. * Ability to troubleshoot complex systems ... Knowledge of computer programing principles, techniques, and procedures for both locally hosted and ...

next page

Showing results 1-20

All JobsFirewall Engineer JobsSenior Firewall Engineer JobsSenior Firewall Engineer Jobs in Frederick, MD

Senior Firewall Engineer information

See Frederick, MD salary details

$18

$60

$84

How much do senior firewall engineer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for senior firewall engineer in Frederick, MD is $60.02, according to ZipRecruiter salary data. Most workers in this role earn between $55.19 and $70.29 per hour, depending on experience, location, and employer.

What does a senior firewall engineer do?

A Senior Firewall Engineer is responsible for designing, implementing, and managing network security solutions, primarily focusing on firewalls. They assess organizational security needs, configure firewall rules, monitor network traffic for security threats, and troubleshoot issues related to firewalls. Additionally, they stay updated on the latest security threats and firewall technologies, ensuring the organization's network remains protected against unauthorized access or attacks. They often lead security projects and may mentor junior engineers within the team.

What are the key skills and qualifications needed to thrive as a senior firewall engineer?

To thrive as a Senior Firewall Engineer, you need deep expertise in network security, firewall management, and risk assessment, typically backed by a degree in computer science or a related field and relevant certifications like CISSP or CCNP Security. Mastery of firewall platforms (such as Palo Alto, Fortinet, or Cisco ASA), intrusion detection/prevention systems, and network monitoring tools is essential. Strong problem-solving skills, attention to detail, and effective communication set top performers apart in this role. These skills ensure robust network protection, minimize vulnerabilities, and support secure business operations in complex IT environments.

What are the typical challenges a senior firewall engineer faces when managing complex network environments?

Senior Firewall Engineers often encounter challenges such as balancing security requirements with network performance, managing policy changes across multiple devices, and staying ahead of emerging threats. They must frequently coordinate with other IT teams to ensure firewall rules do not inadvertently disrupt business-critical applications. Additionally, staying current with evolving technologies and compliance regulations is crucial, as is documenting configurations and troubleshooting issues quickly to minimize downtime.

What is the difference between Senior Firewall Engineer vs Network Security Engineer?

AspectSenior Firewall EngineerNetwork Security Engineer
CertificationsCCNP, CISSP, Cisco ASACISSP, CompTIA Security+, Cisco CCNA Security
Work EnvironmentFocus on firewall configuration, management, and policy enforcementBroader security infrastructure, including firewalls, IDS/IPS, VPNs
Industry UsagePrimarily in network security teams, IT departmentsAcross cybersecurity teams, network operations

The Senior Firewall Engineer specializes in designing, implementing, and managing firewall solutions, focusing on network perimeter security. In contrast, a Network Security Engineer has a broader role, covering various security tools and protocols. Both roles require similar certifications and are vital in maintaining organizational cybersecurity defenses, but their scope and focus differ.

What are popular job titles related to Senior Firewall Engineer jobs in Frederick, MD?

For Senior Firewall Engineer jobs in Frederick, MD, the most frequently searched job titles are:

What job categories do people searching Senior Firewall Engineer jobs in Frederick, MD look for?

The top searched job categories for Senior Firewall Engineer jobs in Frederick, MD are:

What cities near Frederick, MD are hiring for Senior Firewall Engineer jobs?

Cities near Frederick, MD with the most Senior Firewall Engineer job openings:

Senior Firewall Engineer jobs near you
Infographic showing various Senior Firewall Engineer job openings in Frederick, MD as of August 2026, with employment types broken down into 85% Full Time, 10% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $124,833 per year, or $60 per hour.

Senior Network Infrastructure Engineer

Quantum Leap Research, LLC

Leesburg, VA • On-site

$155K - $175K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Key responsibilities

  • Design and implement datacenter and site network architectures (on-prem, SDN-focused)

  • Configure and manage networking equipment such as Cisco, Arista, VyOS, and Linux-based routing

  • Lead infrastructure automation initiatives using Ansible and manage ongoing operations including patching, upgrades, monitoring, troubleshooting, and documentation

Job description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an age of Strategic (Great Power) Competition.


 We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success.  This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.


Quantum Leap Research is seeking a Senior Network / Infrastructure Engineer to lead the design, deployment, and lifecycle management of complex, on-premise infrastructure environments. This role blends deep networking expertise with systems engineering and automation.


You will serve as a technical leader responsible for building and maintaining multi-vendor network environments, while driving infrastructure automation and integration across systems.


Responsibilities:

  •  Design and implement datacenter and site network architectures (on-prem, SDN-focused)
  • Configure and manage networking equipment: Cisco, Arista, VyOS, and other platforms
  • Build and maintain routing environments, including Linux-based routing
  • Design and support SDN, WAN/SD-WAN, BGP, MPLS, and VPN configurations
  • Deploy infrastructure into remote datacenters, including documentation and validation
  • Administer Linux systems supporting infrastructure and network services
  • Implement and manage firewalls (pfSense, VyOS, ACLs, Linux firewalls)
  • Lead infrastructure automation initiatives using Ansible and configuration management tools
  • Manage and integrate tools such as OpenSearch/Elastic and monitoring/logging systems
  • Maintain up-to-date network documentation and diagrams (NetBox or similar)
  • Own projects end-to-end:
    • Define scope
    • Break down work
    • Estimate timelines
    • Deliver outcomes
  • Support ongoing operations:
    • Patching, upgrades, and lifecycle management
    • Monitoring, troubleshooting, and optimization
    • System validation and documentation


Qualifications:

Required

  •  Deep experience in network engineering within on-prem/datacenter environments
  • Strong expertise with:
    • Cisco, Arista, VyOS
    • Routing protocols (BGP required; MPLS preferred)
    • SDN and Linux-based routing
  • Strong Linux systems administration skills
  • Experience with infrastructure automation (Ansible strongly preferred)
  • Experience with configuration management and system integration
  • Hands-on experience with firewalls and network security controls
  • Proven ability to:
    • Design and deploy complex infrastructure
    • Work across multi-vendor environments
    • Own projects independently


Preferred

  • Experience with:
    • Proxmox or virtualization platforms
    • OpenSearch / Elastic stack
    • PacketFence, Fluentd, Oxidized
    • AWX (Ansible Tower)
  • Exposure to non-cloud / locally hosted infrastructure environments
  • Experience integrating networking with systems and application layers


Compensation and Benefits:

We seek the best-and-brightest professionals at all levels so offer highly competitive compensation and an excellent benefits package.


Salary Range: $155,000  - $175,000. Salary ranges reflect compensation for qualified candidates across a range of experience levels and are flexible; actual salary will be determined based on demonstrated skills, experience, and performance.


Company-sponsored benefits include: 6% 401(k) company match with immediate vesting, educational assistance up to $7,000 per year, 100% insurance premium subsidy for employees (75% for dependents), Anthem medical, Guardian dental, life and disability coverage, 3 weeks’ vacation, 2 weeks sick leave, and 11 holidays.


Quantum Leap is an Equal Opportunity Employer

www.ql-research.com

Company Description

Quantum Leap is the leading technology services company focused on providing operationally focused solutions for select clientele within the United States Government (USG). Quantum Leap was founded by a team of technologists and engineers to focus exclusively on advancing USG interests against the Nation’s threats in an age of Strategic (Great Power) Competition.
We have built a highly collaborative workforce dedicated to countering those threats in an environment designed for success. This an entrepreneurial, fast-growing company, where the right candidate can join and really make a difference.