Network Engineer
US$60,000 – US$180,000 / yr base salary
Posted 13 Oct 2026
Advertised as “Senior Network Engineer”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 12–15 yrs
- Management level
- Individual contributor
- Employment
- On-Site
- Contract
- Full-time
| Base salary | US$60,000 – US$180,000 / yr |
|---|
CertificationsCisco Certified Network Professional (CCNP)
Study levelBachelor's
CertificationsCertified Information Systems Security Professional (CISSP), Cisco Certified Network Professional (CCNP) - Security, Palo Alto Networks Accredited Configuration Engineer (ACE) - PAN-OS 7.0 Version
Field of studyEngineering, Information Technology Management (or related)
Study levelMaster's
M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations that desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include IT Talent Solutions, Data Delivery & Analytics, Cyber Security, Cloud Migration, Applications and Infrastructure, Software Development, and Finance & Accounting.
M9 Solutions is seeking a Senior Network Engineer to work on-site in support of a government contract for a client located in Springfield, VA. An active Top Secret clearance is required.
Responsibilities
- Supports the network infrastructure, performs all routine maintenance activities, provides guidance on upgrades and system recapitalization, and performs availability/capacity management.
- Oversees High Speed Guard Cross Domain solution that supports the transfer of data between multiple classification domains.
- Supports all documentation to effectively capture the configuration baseline.
- Designs and supports system recapitalization plans to account for capacity growth and changes as directed by the customer.
- Serves as the subject matter expert on all network infrastructure.
- Installs, configures, and maintains equipment including Cisco network and firewall gear (Cisco 2900, 4500, 9300, 9400, 6800, Nexus 9000, Cisco Firepower, and ASA).
- Builds firewall policy and optimized rule sets for improved efficiency and threat prevention.
- Deploys new network configuration to meet NIST/FISMA/STIG compliance requirements.
- Supports ATO reviews and audits.
Required Skills and Qualifications
- Top Secret security clearance.
- Bachelor's degree and 12–15 years of prior relevant experience. Additional education and experience may be considered in lieu of a degree.
- Cisco Certified Network Professional (CCNP) certification.
- Experience with engineering, deployment, and operations of LAN and WAN switches and firewalls, ensuring seamless integration into existing network infrastructure.
- Working knowledge of defense-in-depth principles, network/HW/SW security architecture, network topology, IT device integrity, and common security elements.
- Experience with and proven methods for managing the information security incident lifecycle, including incident response, mitigation, post-action reporting, and mapping a path forward.