Network Engineer 712

About this role

Freedom Technology Solutions Group is seeks a motivated, mission-focused Principal Network Engineer to join our team in Chantilly, VA.

In this role, you will provide advanced engineering expertise to design, implement, secure, and sustain complex enterprise network environments supporting critical customer missions. You will collaborate across technical teams and customer stakeholders to deliver resilient, highly available, and secure network solutions while driving operational excellence and innovation.

Responsibilities include but are not limited to:

• Interact with engineers, cross-functional teams, and customers at multiple levels to gather, coordinate, and deliver technical information.

• Work closely with engineering teams to troubleshoot and build complex, highly available network topologies.

• Develop and manage comprehensive network monitoring and alerting strategies strategies leveraging SNMP, flow analytics, packet inspection, and infrastructure telemetry to proactively identify performance degradation, capacity constraints, and service disruptions across complex enterprise and mission-critical environments.

• Lead complex network troubleshooting and root cause analysis across enterprise, data center, cloud, and hybrid environments, utilizing packet captures, routing analysis, traffic flow inspection, and protocol level diagnostics to rapidly identify and resolve service-impacting issues.

• Perform engineering support and system administration for applications and systems, including installation, configuration, maintenance, patching, and backup/restore activities.

• Provide Tier 2/3 maintenance and engineering support for deployed network and cybersecurity technologies.

• Support Assessment and Authorization (A&A) activities related to cybersecurity technologies, where applicable.

• Develop and implement automation solutions for repetitive project tasks and metrics collection using scripting, supporting testing and production deployment.

• Perform additional project and corporate duties as assigned to support customer mission requirements.

Minimum Qualifications:

• Bachelor’s degree or 4+ additional years of IT experience in lieu of degree.

• 7+ years of experience in cybersecurity or network engineering.

• Proficiency in configuring and optimizing routing protocols like BGP and OSPF.

• Direct experience implementing network virtualization and encapsulation technologies (EVPN-VXLAN, MPLS).

• Solid understanding of traffic management and security perimeter defenses, including load balancers, firewalls, and virtualized infrastructure.

• Experience troubleshooting web application traffic to include a strong understanding of HTTPS transactions and mutual TLS (mTLS).

• Strong understanding of Windows and Linux systems, operating system security practices, and network security concepts.

• Experience deploying, upgrading, and troubleshooting multi-vendor network equipment and solutions, such as Juniper, Palo Alto, F5, and Nutanix.

• Experience leveraging SNMP monitoring tools.

• Must have or be willing to obtain an IAT Level II (or higher) certification within 6 months of hire.

Preferred Qualifications:

• Knowledge of Cross Domain Solutions (CDS) technologies on the NCDSMO approved products list.

• Understanding of architectural principles such as defense in depth, resilience, and integrated security operations.

• Familiarity with federal cybersecurity guidance, including NIST SP 800-37 (Risk Management Framework) and NIST SP 800-137 (Information Security Continuous Monitoring).

• In-depth understanding and practical experience with LANs, firewalls, routers, and switches.

• Experience working in Agile environments.

Clearance Requirements:

• Must possess an active TS/SCI with Polygraph.

What’s in It for You?

Flexible work environment

A team mentality – work with friendly, like-minded professionals

Work with innovative, cutting edge technologies

Enjoy extremely competitive compensation and benefits

A work-life balance you can count on

Opportunities to grow and advance your career on our dime

The Benefits You Get with Freedom

Amazing benefits including matching 401k, fully paid medical, and more

Generous paid time off – including paid site closure days

Competitive salary offerings

Paid training and tuition reimbursement

Referral bonuses

Fully paid life and disability

Annual logo wear allowance

Company sponsored events (game nights, holiday party, summer party, happy hours)

Interested in learning more about Freedom and our culture? Contact us today! We’re constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team.

As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status

Applicant Federal & E-Verify Postings

VEVRAA Federal Contractor

Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at

Phone: 410-290-9035

Email: recruiting@goftsg.com

Equal Opportunity Employer, including disabled and veterans.

If you want to view the EEO Law poster, please choose your language: English - Spanish - Arabic - Chinese

If you want to view the EEO Law Supplement poster, please choose your language: English - Spanish - Chinese

If you want to view the Pay Transparency Policy Statement, please click the link: English

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