Network Engineer - Senior

Job Family:
Network Engineering

Travel Required:
Up to 10%

Clearance Required:
Active Top Secret (TS)

What You Will Do

Guidehouse is seeking a highly capable Senior Network Engineer to support a large-scale federal enterprise infrastructure program operating within secure and classified environments.

This role requires a hands-on network engineering professional capable of designing, implementing, securing, and supporting enterprise network infrastructure that enables mission-critical operations across geographically distributed environments.

The ideal candidate combines deep networking expertise with operational experience supporting routed and switched environments, network security technologies, classified infrastructures, virtualization platforms, and modernization initiatives.
Responsibilities

• Design, implement, maintain, and support enterprise network infrastructure supporting mission-critical operations.
• Configure and support network routing, switching, segmentation, and traffic management services across complex enterprise environments.
• Engineer and maintain secure network architectures supporting classified, distributed, and multi-site environments.
• Support enterprise network technologies including routers, switches, firewalls, load balancers, encryption devices, and network monitoring platforms.
• Monitor network performance, availability, capacity, and operational health while proactively identifying and resolving issues.
• Perform network upgrades, technology refreshes, vulnerability remediation, infrastructure modernization, and lifecycle management activities.
• Support implementation of network security controls, segmentation strategies, access controls, and infrastructure hardening initiatives.
• Troubleshoot complex network incidents and serve as an escalation point for high-priority operational issues.
• Collaborate with cybersecurity, systems engineering, cloud, application, and operations teams to deliver integrated technical solutions.
• Participate in architecture reviews, network design discussions, change management processes, and infrastructure planning activities.
• Develop and maintain network diagrams, implementation guides, operational procedures, configuration standards, and engineering documentation.
• Support continuity of operations, disaster recovery, resiliency, and infrastructure optimization initiatives.

What You Will Need

• U.S. Citizenship.
• Active Top Secret clearance with ability to obtain and maintain SCI eligibility.
• Bachelor's degree or four (4) additional years of relevant experience in lieu of degree.
• Six (6)+ years of experience engineering and deploying complex enterprise IT systems and network infrastructure.
• Experience supporting enterprise routing, switching, network security, and connectivity services.
• Experience supporting Cisco, Juniper, or equivalent enterprise networking platforms.
• Experience designing and supporting secure enterprise networks within compliance-driven environments.
• Experience with network troubleshooting, performance analysis, traffic management, and operational sustainment activities.
• Experience implementing network security controls, vulnerability remediation, infrastructure hardening, and secure architecture principles.
• Strong analytical, troubleshooting, written, and verbal communication skills.

What Would Be Nice To Have

• Security+ certification.
• Cisco certifications such as CCNA, CCNP, or equivalent.
• Experience supporting classified, national security, intelligence community, or other highly regulated environments.
• Experience supporting network firewalls, IDS/IPS platforms, NAC solutions, SIEM integrations, and encryption technologies.
• Experience with network automation technologies and scripting using Python, PowerShell, or similar tools.
• Experience supporting cloud networking within AWS, Azure, or hybrid environments.
• Familiarity with Zero Trust architecture principles.
• Familiarity with NIST 800-53, RMF, STIGs, continuous monitoring, and ATO processes.
• Experience supporting geographically distributed enterprise environments with high availability and resiliency requirements.

The annual salary range for this position is $98,000.00-$163,000.00. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.

What We Offer:

Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

Benefits include:

• Medical, Rx, Dental & Vision Insurance
• Personal and Family Sick Time & Company Paid Holidays
• Parental Leave
• 401(k) Retirement Plan
• Group Term Life and Travel Assistance
• Voluntary Life and AD&D Insurance
• Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts
• Transit and Parking Commuter Benefits
• Short-Term & Long-Term Disability
• Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities
• Employee Referral Program
• Corporate Sponsored Events & Community Outreach
• Care.com annual membership
• Employee Assistance Program
• Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
• Position may be eligible for a discretionary variable incentive bonus

About Guidehouse

Guidehouse is an Equal Opportunity Employer-Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.

Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.

If you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1- or via email at All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.

All communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.

If any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse's Ethics Hotline. If you want to check the validity of correspondence you have received, please contact Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant's dealings with unauthorized third parties.

Guidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.