Senior Network Engineer

Harmonia Holdings Group, LLC is an award‑winning, rapidly growing federal government contractor committed to delivering innovative, high‑performing solutions to our government clients while fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Senior Network Engineer Location: Washington, DC (Fully Onsite) Terms: Full‑time Clearance: Active TS/SCI Travel: 0–20% Position Description Harmonia seeks 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 possess deep technical knowledge in firewall management, routing protocols, and enterprise networking, while providing leadership in technology modernization, network security, and systems integration. Responsibilities Design, deploy, configure, and maintain enterprise network systems, including Palo Alto Networks and Cisco firewalls, routers, and switches. Utilize Panorama to centrally manage firewall configuration, monitoring, and troubleshooting. Provide Tier‑III firewall and network support, performing advanced troubleshooting of complex security and connectivity issues. Conduct technical analysis for 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 devices. Lead requirements gathering, test planning, and certification/accreditation activities. Provide escalation support, training, and mentorship to junior network engineers. Conduct research and development on emerging technologies to enhance the network security posture. Requirements Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent work experience). Active TS/SCI security clearance. CCNA or CCNP certification required. 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 and Palo Alto Networks products. Proficiency in routing protocols (OSPF, static routes, VLANs, ACLs, QoS, multicast). Experience with Windows OS, Active Directory, Linux, VMware, and SAN/RAID storage solutions. Proven experience developing and implementing network security solutions. Excellent troubleshooting, communication, and leadership skills. Desired Palo Alto Networks certification (PCNSE). 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. Seniority Level Mid‑Senior level Employment Type Full‑time Job Function Information Technology Benefits Medical, dental, and vision insurance with Wellness incentives. Life, STD, and LTD insurance fully covered. 401(k) matching. Gym membership reimbursement. Paid holidays and flexible paid time off. Paid parental leave and adoption expense reimbursement. Professional development and training days. Employee assistance program. Team and company‑wide events, recognition, and appreciation. Check out our LinkedIn, Facebook, and Instagram to find out a little more about who we are and if we are the right next step for your career. Harmonia is an Equal Opportunity Employer providing equal employment opportunity to all employees and applicants for employment without regard to race, color, religion, national origin, age, gender, gender identity, sexual orientation, disability, or genetics. Harmonia takes affirmative action to employ and advance individuals with disabilities and protected veterans. To perform the above job successfully, an individual must possess the knowledge, skills, and abilities listed; meet the education and work experience required; and be able to perform each essential duty and responsibility satisfactorily. Other duties may be assigned. Reasonable accommodation will be made to enable an applicant with a disability to successfully apply for and/or perform the essential duties of the job. If you need an accommodation, please contact HR@harmonia.com. #J-18808-Ljbffr