Network Engineer
GCS Recruitment
The Network Field Engineer is responsible for the onsite implementation, validation, and troubleshooting of enterprise Wi‑Fi and LAN infrastructure within data center environments. This role requires strong hands‑on expertise in wireless networking, switching, and system integration, with a focus on execution quality, performance optimization, and rapid issue resolution. The engineer works closely with project managers, design engineers, and customer teams to ensure deployments meet design intent, operational requirements, and defined performance KPIs. Key Responsibilities Site Assessment & Validation Validate field conditions against design documentation (floor plans, rack layouts, RF designs) Conduct site surveys, measurements, and documentation when required Capture field updates including photos, markups, and design changes Implementation & Deployment Perform staging, configuration, and deployment of: Wireless access points, controllers, and cloud‑managed WLAN systems LAN switching infrastructure (access and distribution layers) Execute network configurations including VLANs, routing, segmentation, and security Support installation teams with technical direction and quality validation Implement high availability and redundancy solutions (stacking, failover, etc.) Network Turn‑Up & Testing Perform system validation and commissioning of Wi‑Fi and LAN environments Execute acceptance testing, performance validation, and system verification Ensure solutions meet defined KPIs for performance, coverage, and reliability Troubleshooting & Optimization Troubleshoot wireless issues such as coverage gaps, interference, and roaming behavior Diagnose network problems including latency, packet loss, and configuration errors Use packet capture and RF analysis tools to isolate and resolve issues Optimize configurations for performance, stability, and scalability Migration & Change Execution Execute network migrations and planned changes using defined procedures (MOPs) Support upgrades, cutovers, and system integrations Minimize service impact during transitions Documentation & Reporting Produce and maintain: As‑built documentation and network diagrams Test plans and validation results Issue logs and root cause analysis reports Provide daily progress updates and status reporting Customer & Internal Collaboration Act as a technical liaison with customers, internal engineering teams, and support organizations Support escalation and issue resolution processes Provide knowledge transfer and operational guidance to customer teams Required Skills & Expertise Wireless & Networking Strong knowledge of: 802.11 Wi‑Fi standards and RF fundamentals IP routing and switching concepts VLANs, QoS, and network segmentation Experience with WLAN security (authentication, encryption, AAA/RADIUS) Familiarity with controller‑based and cloud‑managed wireless architectures Data Center & LAN Experience with switching technologies including: VLANs, routing, STP/MSTP, VRF High availability and redundancy design Understanding of structured cabling and data center environments Tools Packet analysis tools (e.g., Wireshark or equivalent) RF survey and troubleshooting tools Network validation and performance testing tools Experience & Qualifications 5-10+ years of experience in: Wireless network deployment and troubleshooting LAN or data center network engineering Proven experience with site surveys, implementation, commissioning, and optimization Relevant certifications preferred: CWNA or equivalent wireless certification Vendor certifications (Ruckus, Cisco, Aruba, etc.) GCS is acting as an Employment Business in relation to this vacancy. #J-18808-Ljbffr GCS Recruitment
- ...Description Summary: The Enterprise Network Engineer I – (ENE I) is a strategic position providing advanced level of technical skill and expertise in Network Engineering as well as a tactical position involved with the execution of Networking operations. The ENE...SuggestedFull timeWork at officeLocal areaMonday to Friday
$75.2k - $158.1k
Job Title: Network Engineer Tier 2Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: There is not...SuggestedContract workWork experience placementImmediate startFlexible hours- ...implementation, and day-to-day administration of NSX overlay networking across VCF environments.Implement approved micro-segmentation... ...QualificationsBachelor’s degree in Information Technology, Computer Science, Engineering, or a related field; equivalent practical experience may be...SuggestedMonday to FridayShift work
$105.1k - $231.1k
Job Title: Network Engineer Tier 3Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: LocalAnticipated Posting End: There is not...SuggestedContract workWork experience placementImmediate startFlexible hours$96.8k - $161.5k
Overview We are seeking a highly skilled Senior Network Engineer for the Pacific Region to support the Department of Defense medical mission by ensuring the reliability, security, performance, and operational effectiveness of highly complex network infrastructure a...SuggestedFor contractorsLocal area$77.6k - $176k
Network Engineer, SeniorThe Opportunity:A well-designed network is critical to move data and enable the Department of Defense (DoD) to achieve their missions, but how can an organization make sure their network will fit their evolving needs? Crafting the right network,...Full timeContract workPart timeWork at officeLocal areaRemote work- ...SummaryThe ideal candidate will have a deep understanding of networking and be able to assist the Enterprise Networking team in many... ...Installation and Configuration, Network Transformation).Deploying, Engineering, Troubleshooting SDWAN & SASE systems and architectures (...Full timeTemporary workLocal area
$77.5k - $176k
Network Systems EngineerThe Opportunity: A well-designed network is critical to move data and enable the DoD to achieve their mission,... ...technical skill and careful planning. That’s why we need a network engineer like you who knows how to craft the exact network the DoD needs...Full timeContract workPart timeWork at officeLocal areaRemote work$94.2k - $141.2k
...others think is impossible. Our employees are not only part of history, they're making history.We are seeking an experienced Network Engineer to join our dynamic team of technical professionals. The qualified applicant will become part of Northrop Grumman’s Mission Systems...Full timeRemote workRelocation packageShift workNight shift- LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) Network Engineer / Systems Administrator (SA) LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S....Temporary workFor contractorsImmediate startFlexible hours
$86.9k - $198k
Network Automation EngineerThe Opportunity: We are seeking an experienced automation engineer for the management of system infrastructure and applications. As an automation engineer at Booz Allen, you can use your technical skills to affect mission-forward change.You’ll...Full timeContract workPart timeWork at officeLocal areaRemote work- San Antonio, TXJob TypeFull-timeDescriptionNexGen Data Systems is seeking a Third Shift Wide Area Network Engineer. This engineer will support internal and external customers and engage with them frequently. They are responsible for identifying, troubleshooting, and resolving...Temporary workLocal areaVisa sponsorshipShift work
- ...is thrilled to announce an immediate opening for enthusiastic individuals eager to embark on a vibrant and dynamic career as a Network Engineer . Join a team of bright, talented, and dedicated engineers who take pride in tackling the toughest challenges while crafting...Temporary workImmediate startWeekend work
$7.5k
Job Brief VPN, VoIP, firewall, network Job Description Are you ready to KANGAROO into action at RealmOne? RealmOne was built on the... ...as we execute this mission-critical contract providing engineering support for system development, fielded systems, and labs spanning...Contract workWork experience placementImmediate startFlexible hours- The Network Engineer 3 is responsible for operations network support including script development, device configuration management, system administration, hardware and software support, maintenance, security, and troubleshooting. This role involves solution design, development...
- We are seeking a Network Engineer to support routing, switching, wireless access, and overall network operations within a primarily Cisco-based environment. This role focuses on implementing and maintaining enterprise network solutions, troubleshooting complex issues,...Full time
- ...Friday Industry: IT Services / Managed Services Salary: Competitive (Based on Experience) About the Role We are seeking a skilled Network Engineer to join a growing IT services team supporting enterprise, education, and data center environments. This is a hands-on role...Monday to Friday
- Network Engineer LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Engineer to join our team and play a key role in designing, implementing, and...Temporary workFor contractorsImmediate startFlexible hours
- ...provides integrated voice, video, and data services throughout the Information Technology lifecycle, our client is seeking a Network Engineer to join our dynamic team of IT professionals dedicated to fostering a positive and collaborative work environment. You must be...Local areaMonday to FridayShift work
- ..., Firewalls & Wireless Ability to implement and administer the network devices (e.g., routers, switches, wireless & firewalls) Perform... ...party vendors. Managing and updating the CMDB on Snow. Network Engineer Extensive knowledge of LAN and WAN technologies. Hands-on experience...Weekend workWeekday work
$113.9k - $170.9k
...provider of mission-enabling solutions for global security. Our Engineering and Sciences (E&S) organization pushes the boundaries of... ...requires expertise in Cyber Systems Engineering along with some networking experience.The qualified applicant will become part of...Full timeImmediate startRemote workRelocation packageShift workNight shift- A technology company in San Antonio seeks a part-time Junior Network Engineer Intern to support their IT and network engineering teams. The intern will assist with configuring networking devices, monitor network performance, and provide general IT support. Ideal candidates...Full timePart timeInternship
- Junior Network Engineer Intern (Part-Time) job at DEF-LOGIX, INC. San Antonio, TX. Position Summary The Junior Network Engineer Intern will assist the IT and network engineering teams in maintaining, monitoring, and supporting the organization’s network systems. This...Full timePart timeInternship
$113.9k - $170.9k
...provider of mission-enabling solutions for global security. Our Engineering and Sciences (E&S) organization pushes the boundaries of... ...development of computer systems, digital communications systems, networking devices, computer architecturesPerform cyber-attack surface...Full timeRelocation packageShift work- OverviewAbacus Technology is seeking a Network Administrator to provide WAN infrastructure support for the Air Force Intranet Control (AFINC) III Support program at Lackland AFB. This is a full-time position.ResponsibilitiesAnalyze and simulate network traffic to aide in...Full time
$85.8k - $180.2k
Job Title: Senior Cloud DevOps Engineer - Identity ManagementJob Category: Information TechnologyTime Type: Full timeMinimum Clearance... ...for automation and operational tasks.• Solid understanding of networking, PKI, TLS, and secure service-to-service communication.•...Contract workWork experience placementFlexible hours$98.59k - $173.58k
...environmental consulting, or related industriesBroad knowledge of ArcGIS from an IT context (such as hardware, storage, security, networking, web services, virtualization, cloud computing)Demonstrated experience in technical consulting and conceptual solution...- ...centers to modernizing transmission systems, our industry-recognized engineers and scientists have been at the forefront of grid... ...bring our authentic selves to work every day.Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People...Local area
- ...projects are completed and regular progress on projects are communicated to the project manager.Responsibilities: Ensure all design engineer activity is aligned with latest conformed construction documents prior to installationCollaborates with project manager and...For contractorsFor subcontractorRemote work
$82.6k - $162.8k
...but also the next frontier of agentic AI identity security.Recruiting for this role ends on 12/31/2026.Work you'll doAs a Security Engineer II on the Deloitte Cyber Identity & Access Management team, you will be responsible for…Supporting the design, implementation,...Local areaVisa sponsorship
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Network Engineer. Be the first to apply!
- network engineer - transport San Antonio, TX
- network developer San Antonio, TX
- senior network engineer remote San Antonio, TX
- network implementation engineer San Antonio, TX
- network engineer San Antonio, TX
- core network engineer San Antonio, TX
- network engineer - remote San Antonio, TX
- entry level network engineer San Antonio, TX
- senior network engineer San Antonio, TX
- cisco ccnp network engineer San Antonio, TX

