Network Engineer, Level 3

Posted 2 Days Ago
Be an Early Applicant
Annapolis Junction, MD, USA
In-Office
Expert/Leader
Cloud • Information Technology • Professional Services • Cybersecurity
The Role
Designs, configures, secures, troubleshoots, and sustains complex Cisco-based network infrastructure in secure mission-critical environments. Supports Palo Alto and HAIPE appliances, network hardening, SSP development, compliance, packet analysis, architecture diagrams, physical network installation, and technical documentation. Requires extensive systems engineering experience, leadership of engineering efforts, and an active TS/SCI clearance with polygraph.
Summary Generated by Built In
What You Will Do:
As a System Engineer Level 3 at Independent Software, you will provide senior-level systems and network engineering support for mission-critical environments. This role requires extensive hands-on experience designing, configuring, securing, and troubleshooting complex network infrastructure within secure operational environments.
You will work with Cisco networking equipment, servers, firewalls, security appliances, fiber infrastructure, and network analysis tools while supporting network design, security hardening, SSP requirements, and physical network implementation.
Key Responsibilities:

 
  • Design, configure, maintain, and troubleshoot Cisco switches, routers, and firewalls, including Cisco 9300 series switches
  • Support network security appliances including Palo Alto, HAIPE, and similar technologies
  • Perform network security hardening and support SSP development and compliance requirements
  • Troubleshoot complex network and connectivity issues using Wireshark, Tripwire, packet analysis, and related diagnostic tools
  • Analyze network traffic, firewall activity, message delivery, ACK/NACK responses, MTU configurations, and connectivity issues
  • Develop network architecture diagrams, rack configuration drawings, and technical documentation using Visio and related tools
  • Evaluate network requirements and determine appropriate network configurations and architectures
  • Support physical network installation and sustainment, including switches, servers, fiber, cabling, racks, and security devices
  • Assess HAIPE configurations and MTU requirements
  • Support network design and deployment activities involving tamper and concealment requirements
  • Maintain engineering documentation and track technical activities using Jira, Confluence, and similar tools
  • Work independently and collaboratively with engineering, security, and mission teams

Required Skills and Qualifications:
 
  • Extensive hands-on systems and network engineering experience in complex operational environments
  • Strong knowledge of Cisco switches, routers, and firewalls, including Cisco 9300 series switches
  • Experience with Palo Alto, HAIPE, or comparable network security appliances
  • Strong network troubleshooting and packet analysis experience
  • Experience with Wireshark, Tripwire, or similar network diagnostic and analysis tools
  • Experience with network security hardening in DoD or other secure environments
  • Experience supporting SSP development and security compliance activities
  • Experience designing network diagrams and rack configuration drawings
  • Knowledge of switches, routers, firewalls, security appliances, and Network-as-a-Service architectures
  • Experience with physical network construction, including fiber, cabling, switches, servers, and security devices
  • Ability to analyze network traffic and isolate connectivity, configuration, and firewall-related problems
  • Experience with Jira, Confluence, Visio, or similar technical documentation and collaboration tools
  • Strong communication skills and ability to work effectively as an individual contributor or member of a focused technical team

Education and Experience:
 
  • Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university and twenty (20) years of experience as a Systems Engineer supporting programs and contracts of similar scope, type, and complexity; OR
  • Twenty-five (25) years of Systems Engineering experience supporting programs and contracts of similar scope, type, and complexity may be substituted for the Bachelor’s degree
  • Demonstrated experience planning and leading Systems Engineering efforts is required
  • Experience supporting Intelligence Community or DoD environments is strongly preferred

Clearance Requirement:
 
  • Must possess an active TS SCI with appropriate Polygraph to be considered for this role

Why Choose Independent Software:
At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.
When you join us, you will:
  • Support critical national security missions that matter
  • Be part of a close-knit, employee-first culture where your voice is heard
  • Expand your skills through ongoing training, mentorship, and career development
  • Enjoy competitive compensation, generous benefits, and work-life balance

Ready to take the next step in your career? Join us and be part of something bigger.
Apply today.
We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

 

Skills Required

  • Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university
  • Twenty years of Systems Engineering experience supporting programs and contracts of similar scope, type, and complexity
  • Alternatively, twenty-five years of Systems Engineering experience supporting programs and contracts of similar scope, type, and complexity
  • Extensive hands-on systems and network engineering experience in complex operational environments
  • Strong knowledge of Cisco switches, routers, and firewalls, including Cisco 9300 series switches
  • Experience with Palo Alto, HAIPE, or comparable network security appliances
  • Strong network troubleshooting and packet analysis experience
  • Experience with Wireshark, Tripwire, or similar network diagnostic and analysis tools
  • Experience with network security hardening in DoD or other secure environments
  • Experience supporting SSP development and security compliance activities
  • Experience designing network diagrams and rack configuration drawings
  • Knowledge of switches, routers, firewalls, security appliances, and Network-as-a-Service architectures
  • Experience with physical network construction, including fiber, cabling, switches, servers, and security devices
  • Ability to analyze network traffic and isolate connectivity, configuration, and firewall-related problems
  • Experience with Jira, Confluence, Visio, or similar technical documentation and collaboration tools
  • Demonstrated experience planning and leading Systems Engineering efforts
  • Experience supporting Intelligence Community or DoD environments
  • Strong communication skills and ability to work independently or as part of a technical team
  • Active TS/SCI clearance with appropriate polygraph
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The Company
30 Employees

What We Do

Independent Software, Inc. is a professional services company that provides information technology products and services to mission-oriented Federal Civilian Agencies. The company specializes in cloud computing and cybersecurity, offering solutions for network, database, and web security, as well as web monitoring. They are dedicated to ensuring national security and supporting soldiers through the delivery of high-quality intelligence products and highly skilled personnel.

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