Network/Telecommunications Analyst III

Salary : $85,318.48 - $142,197.95 Annually
Location : FAIRFAX (EJ32), VA
Job Type: FT Salary W BN
Job Number: 25-00764
Department: Information Technology
Opening Date: 03/29/2025
Closing Date: 4/11/2025 11:59 PM Eastern
Pay Grade: S29
Posting Type: Open to General Public

Job Announcement

This position works as a part of our Technology Infrastructure Division's (TID) Enterprise Network Architecture and Engineering team. The county wide enterprise network is a large complex metropolitan (MAN) and wide area network (WAN) secure network infrastructure with two geo-diverse high available hyperconverged datacenters servicing 230+ Fairfax County locations.

This role is pivotal in designing, maintaining, and optimizing our enterprise network infrastructure while addressing complex technical issues escalated from Tier 1 and Tier 2 support teams. As a Tier 3 Network Engineer, you will ensure high levels of network availability and reliability by applying advanced troubleshooting skills, a deep understanding of networking technologies, and strategic collaboration with cross-functional teams.

Duties and Responsibilities
All duties are performed in accordance with DIT standards, policies, Service Level Agreements (SLAs), and maintenance windows.

• Network Architecture and Design: Collaborate with the Enterprise Network Architecture team to design and implement scalable and secure network solutions, including LAN, WAN, and wireless infrastructures, aligned with organizational goals and industry best practices. Evaluate, test, and recommend new technologies, solutions, and processes to enhance network performance, security, and reliability.
• Network Support: Deliver advanced-level support for network incidents, problems, and change requests escalated from Tier 1 and Tier 2 teams. Troubleshoot and resolve complex issues involving routers, switches, firewalls, wireless devices, and other network components. Perform comprehensive root cause analysis of network incidents and implement effective solutions to mitigate future occurrences.
• Advanced Troubleshooting: Analyze and resolve complex Layer 2 and Layer 3 network issues, ensuring optimal network performance and minimal downtime.
• Infrastructure Management: Install, patch, configure, secure, and optimize routers, switches, firewalls, and other network hardware to meet evolving business needs.
• Wireless Networking Expertise: Design, configure, and optimize 802.11x wireless networking environments to ensure robust connectivity and performance across all enterprise locations.
• Network Monitoring and Optimization: Utilize advanced network monitoring tools to analyze performance metrics, identify bottlenecks, and recommend or implement improvements.
• Documentation and Standards: Develop and maintain comprehensive network diagrams, documentation, and standard operating procedures to streamline network operations and knowledge sharing.
• Security and Compliance: Collaborate with security teams to implement network security best practices, such as access controls, encryption, and intrusion detection/prevention systems, ensuring compliance with regulatory requirements.
• Project Management: Lead or support network-related projects, including infrastructure upgrades, new implementations, and technology migrations, ensuring timely and successful delivery.
• Cross-Functional Collaboration: Partner with other IT teams, stakeholders, and vendors to address networking needs, resolve escalated issues, and drive continuous improvements in network performance.

Employment Standards

MINIMUM QUALIFICATIONS:

(Click on the aforementioned link to learn how Fairfax County interprets equivalencies for "Any combination, experience, and training equivalent to")
Possession of an associate's degree in computer science, electrical engineering, electronics, or a related field; plus four years' network and/or telecommunications experience; or a bachelor's degree in such fields; plus two years' experience in network or telecommunications system design, analysis, installation, and troubleshooting.

CERTIFICATES AND LICENSES REQUIRED:
Valid driver's license.

NECESSARY SPECIAL REQUIREMENTS:
The appointee to this position will be required to complete a criminal background check and driving record check to the satisfaction of the employer.

PREFERRED QUALIFICATIONS:

• In-depth knowledge and experience with most of the following: VLAN, VRF, OSPF, BGP, MPLS, VPN, STP, DHCP, Trunk and 802.11 standards. Including servicing MAN / WAN / LAN / SDWAN / and Wireless LAN architectures.
• Hands on experience with the major network equipment manufacturers routers, switches and access points.
• Experience with SolarWinds, Splunk, Catalyst Center, ISE, Nexus Dashboard or equivalent systems.
• Automation experience with scripting languages such as Python or other.
• Datacenter Technology experience such as Leaf and Spine utilizing VxLAN in a multi datacenter environment.
• VM NSX-T infrastructure using SDN technologies such as VDS, T0 and T1, DFW and AVI (ALB) and Cloud networking.
• In-depth experience with IP Address Management (IPAM) systems such as InfoBlox.
• Experience with network incident management and related support practices.
• In-depth knowledge and experience with Layer 1 cable infrastructure: Ethernet (CAT6/6A); fiber optics; and patching panels within network closets.
• Strong analytical and problem-solving skills with the ability to prioritize and manage multiple tasks effectively.
• Excellent communication skills, both verbal and written, emphasizing superior customer service.

PHYSICAL REQUIREMENTS:
Work is equally performed in the field as well as in a normal office environment. Lifting (up to 50lbs) may be required. Ladder climbing may be required. Driving is required. All duties performed with or without reasonable accommodations.

SELECTION PROCEDURE:
Panel interview and may include exercise.

The population of Fairfax County is very diverse where 38.7% of residents speak a language other than English at home () and we encourage candidates bilingual in English and a foreign language to apply to this opportunity.

Fairfax County Government prohibits discrimination on the basis of race, color, religion, national origin, sex, pregnancy, childbirth or related medical conditions, age, marital status, disability, sexual orientation, gender identity, genetics, political affiliation, or military status in the recruitment, selection, and hiring of its workforce.
Reasonable accommodations are available to persons with disabilities during application and/or interview processes per the Americans with Disabilities Act. TTY 703-222-7314. DHREmployment@fairfaxcounty.gov EEO/AA/TTY.

#LI-JT1
Merit Positions

Fairfax County is proud to offer employees an attractive and comprehensive benefits program, including the following:

• Medical/Vision/Dental Insurance Coverage
• Group Term Life Insurance
• Long Term Disability
• LiveWell Program
• Flexible Spending Programs
• Paid Leave (annual, sick, parental, volunteer activity, and more!)
• Paid Holidays
• Contributory Retirement Plan
• Deferred Compensation
• Employee Assistance Program
• Employees' Child Care Center
• Commuter Benefit Program
• Continuous Learning Opportunities

NOTE: Fairfax County Government is a qualifying employer under the Public Service Loan Forgiveness program. For more information about the PSLF program:

For additional details please visit the
Non-Merit Positions

Non-Merit Benefit Eligible: scheduled to work a minimum 1,040 hours and no more than a maximum of 1,560 hours in a calendar year.

• Medical/Vision/Dental Insurance Coverage
• Flexible Spending Program
• Deferred Compensation

Temporary: scheduled to work a maximum of 900 hours in a calendar year.

• No benefits

01

What is the highest level of education that you have completed?

• Less than 12th grade
• High school diploma or GED
• Some college
• Associate's degree
• Bachelor's degree
• Master's degree
• Doctorate degree

02

If you answered "Some college" for the highest level of education completed, please indicate the number of quarter or semester hours you have completed towards a related degree.

• Less than 45 quarter hours
• 45 to less than 90 quarter hours
• 90 to less than 135 quarter hours
• 135 to less than 180 quarter hours
• 180 or more quarter hours
• Less than 30 semester hours
• 30 to less than 60 semester hours
• 60 to less than 90 semester hours
• 90 to less than 120 semester hours
• 120 or more semester hours
• Not applicable

03

Please indicate all major(s) or minor(s) for your completed degree(s). Check all that apply.

• Computer science
• Electrical engineering
• Electronics
• Information technology
• Other (related field)
• Other (non-related field)
• Not applicable

04

If you selected "Other (related field)" or "Other (non-related fields)" for the previous question, please list the discipline of your degree. If this question does not pertain to you, or you do not have a degree, enter "Not applicable".
05

How many years of full-time equivalent professional experience in network or telecommunications system design, analysis, installation, and troubleshooting do you possess?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five to less than six years
• Six years or more

06

Do you currently possess a valid driver's license?

• Yes
• No

07

Please indicate which active network related certifications you possess. Check all that apply.

• CCENT, CCT or CCNA
• CCDA
• CCNP
• CCDP
• JNCIA
• JNCIS
• Other
• None of the above

08

If you selected "Other" for the previous question, please list the certification below. If this question does not pertain to you enter "Not applicable".
09

How many overall years of full-time experience do you have in any discipline directly involving information technology?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five to less than six years
• Six to less than seven years
• Seven to less than eight years
• Eight to less than nine years
• Nine to less than ten years
• Ten to less than eleven years
• Eleven years or more

10

Of your information technology experience, how many of those years were dedicated to performing network operations and network support duties?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five to less than six years
• Six to less than seven years
• Seven to less than eight years
• Eight to less than nine years
• Nine to less than ten years
• Ten to less than eleven years
• Eleven years or more

11

Do you have experience with Metropolitan Area Networks (MAN) and the underlying MPLS technology?

• Yes
• No

12

Do you have experience with configuring and managing virtual routing and forwarding?

• Yes
• No

13

Do you have experience managing cellular and 802.11 wireless technologies in deployments with an understanding of the future roadmaps in each technology?

• Yes
• No

14

Do you have experience with network management, configuration, monitoring and analysis tools?

• Yes
• No

15

Do you have experience with Datacenter Network technologies?

• Yes
• No

16

Do you have experience with Software Defined Networking technologies?

• Yes
• No

17

How many years of full-time equivalent experience with routing protocols like OSPF, EIGRP & BGP do you possess?

• None
• Less than one year
• One to less than two years
• Two to less than three years
• Three to less than four years
• Four to less than five years
• Five to less than six years
• Six to less than seven years
• Seven to less than eight years
• Eight to less than nine years
• Nine to less than ten years
• Ten to less than eleven years
• Eleven years or more

18

Do you have experience managing carrier class network equipment?

• Yes
• No

Required Question