Senior Network Engineer

Harmonia Holdings Group, LLC-posted 3 months ago

Full-time • Senior

Washington, DC

251-500 employees

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Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Harmonia is seeking an experienced Senior Network Engineer with expertise in Palo Alto Networks and Cisco technologies to support the Department of State in Washington, DC. The ideal candidate will bring deep technical knowledge in firewall management, routing protocols, and enterprise networking while providing leadership in technology modernization, network security, and systems integration. This position requires an active TS/SCI clearance and U.S. citizenship.

Design, deploy, configure, and maintain enterprise network systems, including Palo Alto Networks and Cisco firewalls, routers, and switches.
Utilize the Panorama Firewall Management platform for centralized configuration, monitoring, and troubleshooting.
Provide Tier-III firewall and network support, including advanced troubleshooting of complex security and connectivity issues.
Conduct technical analysis in network planning, engineering, design, and performance optimization.
Integrate and secure enterprise applications across interconnected systems.
Monitor, document, and maintain network performance, configurations, SOPs, and technical documentation.
Ensure compliance with Department of State security policies, DHS standards, and industry best practices.
Install, configure, and maintain LAN/WAN infrastructure, servers, SANs, and related network devices.
Lead efforts in requirements gathering, test planning, and certification/accreditation activities.
Provide escalation support, training, and mentorship to junior network engineers.
Conduct research and development for emerging technologies to enhance the network security posture.

Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent work experience).
Active TS/SCI security clearance.
CCNA or CCNP is required.
Minimum 8–10 years of enterprise IT systems and network administration experience.
Strong expertise with Cisco networking technologies (switches, routers, firewalls).
Hands-on experience with Panorama Firewall Management and Palo Alto Networks products.
Proficiency in routing protocols (OSPF, static routes, VLANs, ACLs, QoS, multicast).
Experience with Windows OS, Active Directory, Linux, VMware virtualization, and SAN/RAID storage solutions.
Proven experience developing and implementing network security solutions.
Excellent troubleshooting, communication, and leadership skills.

Palo Alto Networks certification (PCNSE) is highly desired.
Prior experience supporting the Department of State or other federal agencies.
Strong knowledge of federal compliance standards, C&A activities, and security frameworks.
Demonstrated ability to lead modernization projects and mentor junior engineers.

Traditional and HSA-eligible medical insurance plans w/ Wellness Incentives for employees and family.
100% employer-paid dental and vision insurance options.
100% employer-sponsored STD, LTD, and life insurance.
Veterans Cohort.
Gym membership reimbursement.
401(k) matching.
Dollar-for-dollar 501(c)(3) donation matching.
Flexible-schedules and teleworking options.
Paid holidays and Flexible Paid Time Off.
Adoption Expense Reimbursement.
Paid Parental Leave.
Professional development and career growth opportunities and paid training days.
Employer-sponsored Employee Assistance Program for employee and family.
Team and company-wide events, recognition, and appreciation.

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