Senior Network Engineer
M9 Solutions, Springfield, VA - Top Secret clearance required +1
- Pay
- $60K–$180K / year
- Work type
- Not stated
- Level
- Senior
- Area
- Infra, platform & SRE
- Posted
- 25 days ago
Check my fit
See how your résumé lines up with this role: where you match, what's missing, and lines worth rewording.
About the role
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.
- Network management experience with SolarWinds, WhatsUp Gold, NetQoS, or NetBrain.
- Cross-platform familiarity and experience with VMware, Linux, Microsoft Server, and AD.
- Top Secret clearance with the ability to obtain a government Entry on Duty (EOD) suitability determination.
Similar roles at other companies
Senior Network Engineer (KEY-NE3-03.080626)
CapitalsolutionsgroupFt. Meade, Maryland
Pay not posted
Posted Aug 6, 2026
Network Engineer 661
Freedom Technology Solutions GroupAnnapolis Junction, MD +1
Pay not posted
Posted May 27, 2026
Network Engineer (KEY-NE1-03.080626)
CapitalsolutionsgroupFt. Meade, Maryland
Pay not posted
Posted Aug 6, 2026
Pay not posted
Posted Jun 17, 2026
Listed on M9 Solutions's Greenhouse job board; checked 3 h ago. First seen by us 2 days ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.