Network Engineer, Level 3

Security clearance: Top Secret/SCI

Who are we?


Independent Software is a consulting, product, and solutions firm dedicated to the practical application of software and system engineering technologies to solve complex problems.  We bring together world class engineers with proven engineering best practices, domain expertise, commercial technologies, and proven agile management approaches to create high value solutions aimed at helping our customers meet their most critical business and mission objectives.

Why Independent Software?


We are focused on continual learning and evolution.  We don’t do things because “that’s the way we’ve always done things”; we listen to our employees and adapt to the changing marketplace.  We look at the big picture and encourage our engineers to get training and certifications in emerging technologies that will help shape our customer’s mission.



We’ve been profitable year after year.  We’re always on the lookout for great engineers to join the team and we recognize that our employees are the heart and soul of what we do.  We focus on recruiting talented people, treating them right, and then allowing them to do what they do best.  No red tape.  No micromanagement.  Smart people want to work with smart people, and we love people who are passionate about what they do and finding ways to do it better.

Top Reasons to Work at Independent Software:

• 
  
  Great people deserve even better benefits, from comprehensive healthcare coverage and generous leave time to discounts with all our vendors.
  
  


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  You are not just a job title. That's why we tip the work-life balance scale in your favor. It's not about being billable, it's about being valuable.
  
  


• 
  
  Whether you're working on-site or in our offices, your role at Independent Software is just as critical to our success as your coworker's.
  
  


• 
  
  We're constantly researching and implementing the latest technology, so you've always got the right tools at your disposal.
  
  


• 
  
  As we've grown, we've retained that small company feel. When we say we have an open-door policy, we actually mean it.
  
  


• 
  
  Independent Software is comprised of wonderfully generous folks. We believe in supporting the causes our employees care about. Bring us an opportunity to help and we'll listen.
  
  


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  Teamwork got us where we are today. Our collaborative environment allows you to maximize your true potential.
  
  


• 
  
  The work we do is exciting, critical stuff. No matter your role at Independent Software, you're helping us keep the nation safe and secure.
  
  


• 
  
  We have a history of great achievement, and, with each year, our company gets even bigger and better. As we grow, so does the opportunity for our employees.
  
  


• 
  
  We host a variety of fun employee and family events throughout the year to say thanks for all that you do to make Independent Software a technology leader as well as a phenomenal place to work.
  
  

Benefits:

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  Competitive salary
  
  


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  Company Sponsored Health, Dental, and Vision Insurance plans
  
  


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  Company Paid Long Term Disability, Short Term Disability and Life Insurance
  
  


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  Employee Assistance Program
  
  


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  Your retirement plan is an important benefit you shouldn’t overlook. We offer a 401(k) Profit Sharing Plan and Trust that offers a powerful way to enhance your long-term financial well-being by investing in yourself. We offer immediate eligibility and company matching.
  
  


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  A generous Paid Time Off and Holiday package
  
  


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  Paid training! We encourage all employees to seek out training opportunities like conferences, certification courses and seminars.
  
  


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  We truly believe the right work-life balance can exist, and it's here at Independent Software. Our work is extremely important, but your job is just a part of who you are. When you enjoy your life outside of our walls, you're at your best the next time you walk through our doors. We do all we can to assure that happens every day.
  
   
  
  Independent Software is an Equal Opportunity Employer EOE, M/F/D/V.

Network Engineer, Level 3

Annapolis Junction, MD



Full Time



Network Engineering



Experienced



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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.



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