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Job #: R-00026615
Location: Mexico City
Category: Field Services
Schedule (FT/PT): Full Time
Travel Required: No
Shift: Day
Potential for Telework: Yes
Clearance Required: Secret
Referral Eligibility: Eligible
Group: Defense

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Job Description:

Our customer maintains a highly demanding mission and requires our support to provide expert technical and professional management support to the commands enterprise Information Technology (IT) services. The On Site Technical Representative will support a program that provides sustainment, maintenance, and change management services to help ensure secure, reliable, and uninterrupted availability of the Department of Defense IP networks.

The On Site Technical Representative will support a program that provides sustainment, maintenance, and change management services to help ensure secure, reliable, and uninterrupted availability of the Department of Defense IP networks.

Candidate will help providing 24/7/365  Information Technology and communications support to the NORAD-NORTHCOM Office of Defense Coordination and co-located dependencies, which include the Information Analysis Center, PATT, Defense Attaché Office and Fifth Floor Operations Center at U.S. Embassy Mexico City. Support is also extended to two external CENTRIXS sites operating in host nation (Government Of Mexico) military installations. OSTR duties and responsibilities encompass end-user support and uninterrupted operation of servers, workstations, peripherals and data and voice communications equipment for the NIPRNET, SIPRNET, secret releasable (CENTRIXS) and unfiltered Internet networks serving a community of 75 to 80 users which include U.S., inter-agency, Foreign National staff, partner nation, permanent, intermittent and rotating personnel.

While the OSTR team operates as an extension of the Service Desk, the roles and responsibilities of the incumbents require the ability, knowledge and expertise to apply timely first line hands-on intervention and trouble remediation of a wide and complex array of technical issues.  

Primary Responsibilities

• Will assist with system administration duties include imaging and configuration of SIPRNET and NIPRNET workstations with current and approved system baselines; management and creation of new user accounts and maintenance of the corresponding user profiles and security group membership per operating standards

• Monitor operations and performance of the main State Department (DTSPO) long-haul VPN circuit interconnecting the NORAD-NORTHCOM enterprise network to the ODC Mexico enclave via State Department’s network transport, the Network Access Point of the Americas (NAP) and DISA as well as 4 commercial VPN circuits servicing the CENTRIXS Mexico wide area inter-connect and the State Department (DTSPO) VPN circuit servicing the CENTRIXS long-haul connectivity to the SOUTHCOM Headquarters’ CENTRIXS point-of-presence. The OSTRs are ready to provide hands-on network troubleshooting and recovery assistance to commercial vendors and to inter-agency network administrators as needed

• OSTSR enforce established cybersecurity policies, procedures and standards, per DOD/NNC guidance and are responsible for maintaining current cryptographic material loaded and operational

• Serves as local Trusted Agent for NIPRNET CAC and SIPRNET PKI user Token management Issuance and password reset in coordination with the Command’s designated LRA. For the accomplishment of this task, the OSTR requires to be familiar with the CIW Token Management System and the AFPKI CAC PIN Reset platforms

• Assists the ODC Management in validating new information systems or communications requirements by providing the most appropriate, efficient and compliant solution to present the information through the approval workflow by means of the change request or service request process. Utilization of the SCSM application

• OSTR is responsible for maintaining up-to-date schematics and diagrams of cable plant, communications equipment rack and computer equipment under their responsibility and posting any updates to the NORAD-NORTHCOM portal within 30 days of the change

• OSTR serves as on-site mobile communications technician responsible for the activation, upgrade and maintenance of 25 ODC Mexico, N-NC issued, cell phones and digital tablets in compliance with DISA’s Defense Enterprise Email (DEE) Mobility program. Full knowledge of DISA’s DEPO tool and Blackberry Unified Endpoint Management (UEM) platform is required

• OSTR will support any Government plans to migrate from one network to another

• OSTR will support the following equipment:  15 TEMPEST SIPRNET workstations and peripherals; 3 SIPRNET S-VOIP instruments; 55-60 NIPRNET workstations and peripherals; 10 unfiltered Internet Microsoft Windows 10 workstations dedicated to language testing; 20 Unfiltered Internet VOIP devices; 2 SIPRNET CISCO Video Conferencing systems; 25 mobile phones and 2 tablets provisioned with DISA Enterprise E-mail; 3 Iridium satellite phones; 2 local servers running Microsoft Server 2012 and 2016 Operating systems; 16 CENTRIXS workstations running the Microsoft Windows 10 Operating System; 6 CENTRIXS CISCO VOIP instruments; 3 CENTRIXS CISCO routers and 3 CENTRIXS CISCO switches (off site); and Fiber optics and copper cable connectivity (inside and outside plant) at all sites

Basic Qualifications

• Bachelor’s and 2 years’ experience or High school diploma and 6 years’ experience.

• Must maintain a 8570 Level II certification (COMPTIA Security+) and (COMPTIA A+) and Microsoft Windows 10 MCSA

• Experience with networking, COMSEC, VoIP, SCSM, VTCs

• Must have a secret clearance with ability to obtain TS/SCI

•  Good command of the Spanish language.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:




Scheduled Weekly Hours:




Requisition Category:


Job Family:

Field Services


Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

Pay and Benefits

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All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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