Easter Seals Jobs

Currently, ManTech is seeking a motivated, career and customer-oriented Network Administrator/Engineer to join our team in the Washington, DC. This position supports an extended service operation. You will have the option of three different shifts (Morning, Day or Afternoon/Evenings).

Responsibilities include but are not limited to:

• Perform as a contributor with knowledge and experience in supporting LANs, WANs, communications (VTC and VOIP), VPN, Remote Access and related software/hardware within a multiple classification and multi-platform operating environment.

• Responsible for the integration of a network including assisting in the planning, design, installation, maintenance, management, and coordination of the corporate LAN/WAN.

• Current on most technological developments and applications and helps to evaluate vendor products to make recommendations for purchase.

• Monitor, maintain, troubleshoot, and support firewalls, routers, switches, proxies, VPN, DNS, email, and SD-WAN and cloud routing to include Cisco CSRs;

• Optimize network performance to achieve the desired QoS and KPIs/Service Levels;

• Proactively identify issues, monitor capacity / demand and recommend potential solutions

• Monitor and trace network traffic across multiple boundaries to resolve faults;

• Develop and implement network, VOIP and VTC change requests for firewalls, firewall policies, routing, switching, proxy services, VPN, remote access, DNS, mail, SD-WAN and public cloud service deployments (AWS and Azure).

• Create and manage designs, test plans, RCAs, and AARs;

• Create and maintain secure device configuration baselines;

• Support incident response and project implementation with internal and external teams and third-party vendors;

• Troubleshoot and fix any network device issue as well as support upgrades and/or net new network device or tooling implementations.

• Use a variety of tools to monitor and manage the environment such as Cisco DNA, Cisco Prime, Cisco ISE, Riverbed, Fortinet and Xymon.

• Provide after hours support as needed.

Basic Qualifications:

• A bachelor’s degree in Computer Science or related field

• 2+ years of network related experience

• Demonstrated experience maintaining, troubleshooting, and supporting firewalls, routers, switches, proxies, VPN, DNS, email, and SD-WAN and cloud routing

• Demonstrated experience optimizing networks

• Demonstrated experience creating designs, test plans, RCAs, and AARs

• Hands on experience using Cisco management and monitoring tools such as Cisco DNA, Prime, Firepower, ISE, etc.; Xymon or Fortinet tool suite.

Preferred Qualifications:

• Proficient with ServiceNow

Clearance Requirements:

• Must be a U.S. citizen

• Must obtain a Public Trust clearance; prefer Secret or TS active clearance.

Physical Requirements:

• Must be able to be in a stationary position more than 50% of the time

• Must be able to communicate, converse, and exchange information with peers and senior personnel

• Constantly operates a computer and other office productivity machinery, such as a computer

• The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.