9976 Technology Expert I - Network Technical Lead

Recruitment #PEX-9976-903006


Applicants are encouraged to apply as soon as possible as this announcement may close at any time after 5:00 p.m. on September 28, 2018.

Salary range: $127,946 - $173,342.  Salary upon appointment will be based on candidate’s documented and substantiated exceptional skills and experience. 

Appointment Type:  Permanent-Exempt.  This position is exempt from Civil Service Commission rules pursuant to the City and County of San Francisco, Charter Section 10.104, and incumbents serve at the discretion of the Appointing Officer.

The Department
SFO is a world-class, award-winning airport that served more than 55 million guests in 2017. SFO offers non-stop flights to 45 international cities on 45 international carriers. The Bay Area's largest airport also connects non-stop with 83 U.S. cities on 13 domestic airlines. In fiscal year 16/17, the Airport, an enterprise department of the City & County of San Francisco, accounted for $8.4 billion in business activity and supported over 42,800 direct jobs.

SFO’s mission is to provide an exceptional airport in service to our communities and is committed to redefining air travel. SFO has embarked on the renovation of Terminal 1, the largest capital project in the Airport’s $7.3 billion Ascent Program. For more information, visit www.flysfo.com. View a video about careers at SFO.

Position Description 
Under the general direction of the Manager, Operations and Engineering, the Network Technical Lead will be responsible for planning, designing and providing 3rd-level support for all SFO LAN/WAN enterprise service provider networks; installing, configuring and maintaining Juniper routers and security lines of products; troubleshooting network related issues; configuring and maintaining UNIX/Linux servers in support of the network; defining customer business requirements as they relate to LAN and WAN installations; managing ongoing network adds, moves, and changes; and monitoring network performance and capacity.

The essential functions of this position include:

  • Performs Principal-level JNCIE-SEC/CCIE responsibilities in an operational support role within the Networking group supporting the SFO networks 24 x 365.
  • Acts as Principal Network Engineer and Architect for the SFO Operations and Engineering team, responsible for planning, designing and providing 3rd-level support for all LAN and WAN service provider/enterprise switching and routing networks, including interoperability with SFO SLAN, customer, City and inter-agency networks.
  • Provides Principal-level network engineering works in installation, maintenance, and support of network transport services, including VLAN connectivity, internal and Internet IPv4/IPv6 routing, MPLS-based Metro Ethernet circuits, and indoor and outdoor 802.11 WLAN networks.
  • Provides Principal-level systems engineering works in installation, maintenance, and support of network-related systems, including UNIX/Linux servers, IPSec and SSL site/site VPNs, IPSec and SSL client/server VPNs, appliance-based firewalls and NTP.
  • Installs, configures and maintains Juniper routers and switches based on JUNOS.
  • Configures, maintains and troubleshoots Layer 3 connectivity including BGP, IS-IS, MPLS, VRFs, static routes and DHCP forwarding.  Designs and implements VPLS environments using LDP and BGP signaling.  Manages IPv4 RFC1918 and global address space and subnet assignment, IPv6 global address space and subnet assignment.
  • Configures, maintains and troubleshoots Layer 2 connectivity including Multiple Spanning Tree and Per-VLAN Spanning Tree, port-and VLAN-based QoS, VLAN configuration, VLAN trunking, Q-in-Q, MAC address forwarding, port channeling and WAN connections (Metro Ethernet, DSI-based Frame Relay and Point-to-Point Protocol).  Performs and utilizes protocol captures and decodes using open source tools such as Wireshark and/or commercial products.
  • Implements scripting and automation, including configuration management frameworks and scripting languages such as UNIX shell, Perl, Python and/or Ruby.
  • Installs, configures and maintains security products and services including Juniper and Cisco Access Control Lists (ACLs), Juniper JUNOS, Palo Alto Network and Fortinet firewalls, IPSec/SSL VPN concentrators using certificates and two-factor authentication, Riverbed Steel Central network packet analyzer and NetProfiler.
  • Monitors and troubleshoots network configuration, performance and capacity using commercial tools such as Solar Winds, and open source tools such as RANCID, nmap, Cacti, Net-SNMP and Nagios.  Implements and configures SNMP tools and functionality including SNMPv1, SNMPv2c, SMNPv3, MIBs, OIDs, and SMI and public MIBs as defined in various RFCs.
  • Implements ARIN, ICANN and specific TLD registrar policies and procedures.  Interprets and applies IETF RFC policies, processes and procedures, as well as key RFCs and BCPs.
  • Prepares LAN network engineering standards, specifications and procedures documentation.  Maintains network documentation on NDE wiki.
  • Defines customer business requirements as they relate to SFO LAN and WAN installations.
  • Designs, implements and maintains the VMWare NSX infrastructure.
  • Designs, implements and maintains Cloud services infrastructure (AWS- VPC’s , security groups etc..)
  • Manages ongoing SFO LAN network adds, moves, and changes.
  • Schedules and coordinates corrective and routine maintenance on the SLAN network systems with appropriate vendors, customers, and support organizations.
  • Develops, negotiates and maintains SFO LAN network service level agreements (SLAs).
  • Trains and demonstrates technologies and systems to IS and non-IS professionals.
  • Plans, develops and implements network backup and disaster recovery procedures, as well as redundancy and diversity failure mitigation.

Minimum Qualifications

An associate degree in computer science or a closely related field from an accredited college or university OR its equivalent in terms of total course credits/units [i.e., at least sixty (60) semester or ninety (90) quarter credits/units with a minimum of twenty (20) semester or thirty (30) quarter credits/units in computer science or a closely-related field]; AND

Two (2) years of verifiable and recent experience in MPLS/VPLS design and implementation using protocols such as MPLS-TE, RSVP-TE, RSVP with DSCP, BGP, BFD, OSPF or IS-IS and including Qos support using protocols such as IntServ/RSVP, DiffServ, and Cisco queuing algorithms, in a complex LAN/WAN environment; AND

Two (2) years of verifiable and recent experience creating and maintaining UNIX scripts; AND

Two (2) years of verifiable and recent Wide Area Network technical support experience with installation, maintenance, and support of TCP/IP, Juniper routers and switches, wide area network related systems such as Internet, Intranet, Firewalls, DNS, DHCP, VPN.

Education Substitution: Additional experience as described above may be substituted for the required degree on a year-for-year basis (up to a maximum of two (2) years).  Thirty (30) semester units or forty-five (45) quarter units equal one (1) year. 

Additional Requirement:  In addition to meeting the minimum qualifications, this position requires sufficient strength and coordination of lifting, pushing, pulling and/or carrying the 35 Lbs. weight of computer systems equipment.  It also requires bending, stooping and/or crawling in order to install or repair computer systems hardware (TST029).

Working Condition:  Essential duties require the following physical skills and work environment:  Ability to work in a standard office environment which may involve prolonged sitting, bending and operation of typing, word processing and other office equipment; and ability to work evening meetings.

The above minimum qualifications reflect special conditions associated with the position(s) to be filled. They may differ from the standard minimum qualifications associated with this classification.

Desirable Qualifications
The stated desirable qualifications may be used to identify job finalists at the end of the selection process when candidates are referred to hiring.

  • Network capacity planning and expansion 
  • Network bandwidth planning and allocation
  • Network performance optimization
  • Network infrastructure planning
  • Network security planning
  • Vendor interoperability (Cisco and Juniper) 

Applicants must meet the minimum qualification requirement by the final filing date unless otherwise noted.

One year full-time employment is equivalent to 2,000 hours (2,000 hours of qualifying work experience is based on a 40 hour work week). Any overtime hours that you work above 40 hours per week are not included in the calculation to determine full-time employment.

How To Apply

Applications for City and County of San Francisco jobs are only accepted through an online process. Visit www.jobaps.com/sf to register an account (if you have not already done so) and begin the application process.

  • Select the desired job announcement
  • Select “Apply” and read and acknowledge the information
  • Select either “I am a New User” if you have not previously registered, or “I have Registered Previously”
  • Follow instructions on the screen

Computers are available for the public (from 8:00 a.m. to 5:00 p.m. Monday through Friday) to file online applications in the lobby of the Department of Human Resources at 1 South Van Ness Avenue, 4th Floor, San Francisco, CA 94103, or the Airport Commission Human Resources office at 710 N. McDonnell Road, 3rd floor, San Francisco, CA 94128.

Applicants may be contacted by email about this announcement and, therefore, it is their responsibility to ensure that their registered email address is accurate and kept up-to-date. Also, applicants must ensure that email from CCSF is not blocked on their computer by a spam filter. To prevent blocking, applicants should set up their email to accept CCSF mail from the following addresses (@sfgov.org, @sfdpw.org, @sfport.com, @flysfo.com, @sfwater.org, @sfdph.org, @asianart.org, @sfmta.com).

Applicants will receive a confirmation email that their online application has been received in response to every announcement for which they file. Applicants should retain this confirmation email for their records. Failure to receive this email means that the online application was not submitted or received.

All work experience, education, training and other information substantiating how you meet the minimum qualifications must be included on your application by the filing deadline. Information submitted after the filing deadline will not be considered in determining whether you meet the minimum qualifications.

Applications completed improperly may be cause for ineligibility, disqualification or may lead to lower scores. If you have any questions regarding this recruitment or application process, please contact the analyst, Charlene Cun, by telephone at 650-821-2018, or by email at Charlene.cun@flysfo.com.

Resumes may be attached to the application; however, resumes will not be accepted in lieu of a completed City and County of San Francisco application.

Applicants may be required to submit verification of qualifying education and experience at any point during the recruitment and selection process. If education verification is required, information on how to verify education requirements, including verifying foreign education credits or degree equivalency, can be found here.

Verification of qualifying experience, when requested, must be documented on the employer's business letterhead and must include the name of the applicant, job title(s), dates of employment, description of job duties performed, and signature of the employer or the employer’s authorized representative. Experience claimed in self-employment will only be accepted if supported by documents verifying income, earnings, business license and experience comparable to minimum qualifications above. Copies of income tax papers or other documents listing occupation and total earnings must be submitted. Employees of the City and County of San Francisco may submit performance evaluations showing duties performed to verify qualifying City experience. City employees will receive credit for the duties of the class to which appointed. Credit for experience obtained outside of the employee's class will be allowed only if recorded in accordance with the provisions of Civil Service Commission Rules. Verification may be waived if impossible to obtain. The applicant must submit a signed statement explaining why verification cannot be obtained. Waiver requests will be considered on a case-by-case basis. Failure to provide the required verification, or request for waiver when requested may result in rejection of application.

Note: Falsifying one’s education, training, or work experience or attempted deception on the application may result in disqualification for this and future job opportunities with the City and County of San Francisco. Make sure your application and any attachments to the application submitted at the time of filing are complete and accurate and include details on all experience, education, training and other information that qualifies you for this recruitment. Failure to submit a complete and accurate application at the time of filing may result in your ineligibility for this recruitment or inability to receive full credit for scoring purposes. Any new information concerning work experience, education, training and other information that is submitted after the filing deadline may not be used for scoring or considered to determine whether you meet the minimum qualifications.

Selection Procedures

The selection process will include evaluation of applications in relation to minimum requirements. Applicants meeting the minimum qualifications are not guaranteed advancement to the interview. Depending on the number of applicants, the Department may establish and implement additional screening mechanisms to comparatively evaluate the qualifications of candidates. If this becomes necessary, only those applicants whose qualifications most closely meet the needs of the Department will be invited to participate in the oral/performance interview.

Notes:  Applicants who meet the minimum qualifications are not guaranteed advancement through all of the steps in the selection procedure.

Transportation Security Administration (TSA) Security Clearance
Candidates for employment with the San Francisco Airport Commission are required to undergo a criminal history record check, including FBI fingerprints, and Security Threat Assessment in order to determine eligibility for security clearance and may be required to undergo drug/alcohol screening. Per Civil Service Commission Rule Section 110.9.1, every applicant for an examination must possess and maintain the qualifications required by law and by the examination announcement for the examination. Failure to obtain and maintain security clearance may be basis for termination from employment with the Airport Commission. 

Selection Procedures Notes:  Candidates must pass each part of the selection procedure.

Conviction History

As a finalist for a job, you will be fingerprinted, and your fingerprints will be sent to the California Department of Justice (DOJ) and the Federal Bureau of Investigation (FBI). The resulting report of your conviction history (if any) will be used to determine whether the nature of your conviction (or arrest, in limited circumstances) conflicts with the specific duties and responsibilities of the job for which you are a finalist. If a conflict exists, you will be asked to present any evidence of rehabilitation that may mitigate the conflict, except when federal or state regulations bar employment in specific circumstances, such as:

  • Candidates for positions with the Unified School District and the Community College District may be disqualified from consideration should their conviction history not meet the standards established under the California Education Code.
  • Candidates for positions with the Recreation and Park Department may be disqualified from consideration should their conviction history not meet the standards established under California Public Resources Code 5164.

Having a conviction history does not automatically preclude you from a job with the City.

If you are selected as a finalist, the hiring department will contact you to schedule a fingerprinting appointment.


Reasonable Accommodation Request
Applicants with disabilities requiring reasonable accommodation for this examination can find information on requesting a reasonable accommodation here.

Copies of Application Documents
Applicants are advised to keep copies of all documents submitted. Submitted documents become a permanent part of the exam record and will not be returned. The hiring department may require applicants to submit the same documents and/or additional documents at a later date.

Right to Work
All persons entering the City and County of San Francisco workforce are required to provide verification of authorization to work in the United States.

General Information Concerning City and County of San Francisco Employment Policies and Procedures
Important employment information for the City and County of San Francisco can be obtained online here or hard copy at 1 South Van Ness Avenue, 4th Floor.

Terms of Announcement
Applicants must be guided solely by the provisions of this announcement, including requirements, time periods and other particulars, except when superseded by federal, state or local laws, rules or regulations. Clerical errors may be corrected by the posting the correction on the Department of Human Resources website at www.jobaps.com/sf.

Issued: 8/23/18
Micki Callahan
Human Resources Director
Department of Human Resources
Recruitment ID #: 903006


All employees hired on or after January 10, 2009 will be required (pursuant to San Francisco Charter Section A8.432) to contribute 2% of pre-tax compensation to fund retiree healthcare. In addition, most employees are required to make a member contribution towards retirement, ranging from 7.5%-13.25% of compensation. For more information on these provisions, please contact the personnel office of the hiring agency.

For more information about benefits, please click here.


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