General Summary Performs technical support of local, campus, and wide area networks to include planning, designing, evaluating, and selecting operating solutions. Principal Duties and Responsibilities (*Essential functions) + Performs maintenance and upgrade of networks, including servers, routers, switches, firewalls, remote access systems, and network management systems. + Designs, supports, and manages a multi-zone network architecture. + Monitors network connectivity and ensures high quality data transmission. + Creates network diagrams with approved tools. + Analyzes local and wide area network systems to include testing. + Resolves complex interoperability problems to obtain operations across all platforms. + Configures communication media with routers, switches, firewalls, and other devices. + Configures routine systems to user environments. + Participates in planning, researching, evaluating, designing, and developing plans for network systems. + Conducts internal studies and research. + Supports acquisition of hardware and software as well as subcontractor services as needed. + Provides technical support to various departments and users. + Serves as liaison with vendors and other third-party providers. + May assist in proposal prep for new solutions. At COLSA, people are our most valuable resource and centered at our core value. We invite you to unite your talents with opportunity and be a part of our “Family of Professionals!” Learn about our employee-centric culture and benefits here (https://www.colsa.com/culture\_benefits/) . Required SkillsRequired Experience + Bachelor’s degree in computer science or a related field or equivalent experience + Minimum of 5 years of related experience + Ability to obtain/maintain a Secret security clearance; US Citizenship required + Excellent communication skills Preferred Qualifications + Active CCNA or CCNP certification + Current or previous Cisco Certified Design Associate (CCDA) or Cisco Certified Design Professional (CCDP) + Knowledge of Cisco Identity Services Engine and CyberVision + Knowledge of Fortinet Products + Knowledge of Microsoft Office Products to include Visio + Knowledge of layer 2 switching + Experience with OSI 7 layer model + Experience with Static, Dynamic, and Layer 3 routing + ITIL knowledge Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. COLSA Corporation is an Equal Opportunity Employer, Minorities/Females/Veterans/Disabled. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.