Network Engineer II

3MD Inc.; Washington (District of Columbia); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k)

Disability insurance

Life insurance

Wellbeing benefits

Paid holidays

PTO

Volunteer time off

Job summary

3MD Inc. is seeking a Network Engineer to design, implement, and maintain enterprise networks across the client environment. You will manage routing, switching, security, and VoIP, delivering daily operational support and strategic project leadership.

The role requires experience with Cisco/Juniper/Foundry equipment, strong documentation skills, and the ability to mentor junior engineers while coordinating customer-focused solutions.

Qualifications

• Bachelor’s degree in CS or related field; equivalent experience.
• 5+ years as a network engineer or manager in IT.
• Cisco/Juniper/Foundry gear experience; certifications a plus.
• Advanced knowledge of LAN/WAN, security, and wireless.
• Experience with network monitoring and ITIL framework.

Responsibilities

• Provide enterprise-wide network administration, installation, maintenance, and coordination.
• Plan, install, and maintain network equipment and security devices.
• Assist in data center installs; provision ports and cabling; ensure secure LAN/WAN.
• Lead projects, coordinate resources, and suggest improvements to services.
• Document networks and mentor junior staff; act as technical lead when needed.

Skills

Network design

Troubleshooting

LAN/WAN

Security

Education

Bachelor's degree

Tools

Cisco

Juniper

Foundry

Job description

Job Description

Job Description

*U.S. Citizenship Required*BenefitsU.S.-based employees have access to medical, dental, and vision insurance, a 401(k) plan and company contribution, short-term and long-term disability coverage, basic life insurance, and wellbeing benefits, among others. U.S.-based employees also receive, per calendar year, up to 6 scheduled paid holidays. Additionally, eligible hourly/non-exempt and exempt employees accrue up to 112 hours of PTO based on years of service and may annually take up to 8 hours of paid volunteer time. Additional paid sick leave is also provided if required by state or local law.

Summary of Position

The Network Engineer is responsible for architecture, support, routing, switching, documentation, troubleshooting, transport topologies, network hardware, security, VoIP, customer relations, and all services within the infrastructure. It will provide the client with expert network design and daily operational support of the enterprise-wide network, including participation in planning, installation, maintenance, management, and coordination.

Essential Functions

Provide network administration for enterprise-wide support, installation, maintenance, management, and coordination of the Client’s local and wide area networks. Plan, install, and maintain network equipment, security devices, and related hardware and software to maintain optimal performance and operation. Assist in data center installs, provision network access ports and physical cable infrastructure for data center systems. Ensures LAN/WAN environments are secure, and appropriate recovery and redundancy issues are addressed. Work closely with the Security team in applying standards necessary to keep the network safe and secure from interruption. Monitor performance of network devices to identify problems and bottlenecks, and provide evidence when it is not the network. Monitor operations, identify and correct problems, and forecast resource requirements. Work on network projects, independently and as part of a team, including routing protocol integrations; software upgrades; wireless networking initiatives; and security. Create new and update existing documentation. Mentor and provide technical guidance to Service and Support staff or less experienced Network Engineers. Able to act as Technical Lead on projects, determine implementation approach, proactively suggest implementation improvements and technology standards to clients. Take lead on projects, coordinate and supervise other project resources to ensure the overall project is completed successfully. Coordinate and suggest internal process improvements that will enhance Denali’s ability to deliver outstanding service. Provide clients with solutions to better support their stability and growth needs. Will need to comprehend, analyze and research problems of a complex nature, make judgment decisions and recommendations as to their solution.

Competencies

Ensures AccountabilityTech SavvyCommunicates EffectivelyValues DifferencesCustomer FocusResourcefulnessDrives ResultsPlans and PrioritizesDecision QualitySelf-Development

Work Environment

This position is based in a professional office setting and regularly utilizes workplace technology, including computers, smartphones, multifunction printers, cloud-based filing systems, and collaboration tools.

Physical Demands

This role requires physical capabilities that support the successful execution of key responsibilities. The employee regularly engages in verbal and written communication with colleagues and clients to address project-related inquiries and must be able to convey accurate information clearly and efficiently. The position involves remaining seated at a workstation for approximately 75% of the time, with occasional movement throughout the office to access equipment, supplies, and shared resources. Daily tasks include consistent use of computers and standard office technology such as keyboards, printers, and multifunction devices. The role also involves transporting equipment boxes weighing up to 25 pounds within the building and to other offsite locations as needed for project support.

Required Education and Experience

Bachelor’s Degree preferred5-10 Years of Experience

Qualifications

Bachelor’s Degree in Computer Science or related field or equivalent experienceCCNA, CCNP, CCIE a plus5 years as a network engineer or manager in an IT organization supporting >5K network devicesAt least three years of experience with Cisco, Juniper, and Foundry equipment; Foundry and Juniper CertificationsAdvanced knowledge and expertise in local and wide area networking, wired and wireless communicationsExperience with enterprise network monitoring and management frameworksAbility to identify opportunities and specifications for automation to eliminate the need for repetitive manual workAt least 3-5 years of experience with LAN and WAN technologies + wireless, to include:Experience with packets captures, routing protocols, security, wireless, network node scanning, VPNs, firewalls, network management platform, and ITIL frameworkExperience with installation, operations, maintenance, and support, to include routers, switches, hubs, sniffers, cabling, firewalls, IDS, VPN, Radius, Tacacs+, LDAP, etc.Advanced-level knowledge, experience, and ability troubleshooting and producing designs that leverage protocols such as MSTP, 802.1q, 802.1AX, TRILL, OSPF, ISIS, BGP, MPLS, LDP, etcWorking knowledge, experience, and ability with TCP internals and other L4-7 protocols and technologies such as SSL, DNS, NTP, Local Load Balancing, Global Load Balancing, Netmon/Wireshark, etcKnowledge of software applications, and MS Office (Outlook, SharePoint, Word, Excel & Visio)Advanced understanding of security engineering experience, including firewall rule set construction and management, Intrusion Detection Systems, and network access control systemsStrong problem-solving, decision-making, and customer service skillsStrong documentation and communication skills in both verbal and written formsAble to effectively present information and respond to questions from managers, clients, and customersAble to read, analyze, and interpret documents and technical proceduresAble to solve practical problems and deal with a variety of concrete variables in situations where some standardization existsAble to effectively prioritize heavy workload, meet tight deadlines, and solve a range of problems in straightforward situationsAble to respond quickly in emergency situations and provide 24/7 on-call assistance as needed

AAP/EEO Statement

3MD Inc. is an equal opportunity employer and does not discriminate based on gender, sex, age, race and color, religion, marital status, national origin, disability, sexual orientation, gender identity or expression, veteran status, or any other category that is protected by applicable law.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, and responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.