Tier III Senior Network Engineer
$98K - $134K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
$98K - $134K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
$98K - $134K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
Miami, FL · On-site
$50K - $65K/yr
When needed, you'll escalate more complex problems to Tier 2 or Tier 3 technicians while continuing to support clients across a variety of technologies and environments. Your responsibilities will ...
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Miami, FL · On-site
$50K - $65K/yr
When needed, you'll escalate more complex problems to Tier 2 or Tier 3 technicians while continuing to support clients across a variety of technologies and environments. Your responsibilities will ...
$17.50 - $23.75/hr
Tier 3 support personnel should have a deep understanding of the supported technologies, systems, and applications. They need to stay updated with the latest industry trends, best practices, and ...
$17.50 - $23.75/hr
Tier 3 support personnel should have a deep understanding of the supported technologies, systems, and applications. They need to stay updated with the latest industry trends, best practices, and ...
Miami, FL · On-site
$19.25 - $24.75/hr
Take on special projects from the CIO -- migrations, rollouts, office buildouts, and event IT support. What You Bring (Required) * 3+ years in a Tier II/III help desk or desktop support role ...
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Miami, FL · On-site
$19.25 - $24.75/hr
Take on special projects from the CIO -- migrations, rollouts, office buildouts, and event IT support. What You Bring (Required) * 3+ years in a Tier II/III help desk or desktop support role ...
Tampa, FL · On-site
$98K - $134K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
Tampa, FL · On-site
$98K - $134K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
Tampa, FL · On-site
$73K - $132K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
Tampa, FL · On-site
$73K - $132K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
Tampa, FL · On-site
$98K - $134K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
Tampa, FL · On-site
$98K - $134K/yr
As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM ... technologies; developing and recommending functional design solutions to meet stakeholder ...
Ocoee, FL · On-site
$17.50 - $23.75/hr
Tier 3 support personnel should have a deep understanding of the supported technologies, systems, and applications. They need to stay updated with the latest industry trends, best practices, and ...
Quick apply
Ocoee, FL · On-site
$17.50 - $23.75/hr
Tier 3 support personnel should have a deep understanding of the supported technologies, systems, and applications. They need to stay updated with the latest industry trends, best practices, and ...
Miami, FL · On-site
$50K - $65K/yr
When needed, you'll escalate more complex problems to Tier 2 or Tier 3 technicians while continuing to support clients across a variety of technologies and environments. Your responsibilities will ...
Quick apply
Miami, FL · On-site
$50K - $65K/yr
When needed, you'll escalate more complex problems to Tier 2 or Tier 3 technicians while continuing to support clients across a variety of technologies and environments. Your responsibilities will ...
Provides Tier I, Tier II and Tier III customer support for broadcasting systems and enterprise IT environments, including direct troubleshooting and resolution of hardware, software, and application ...
New
Provides Tier I, Tier II and Tier III customer support for broadcasting systems and enterprise IT environments, including direct troubleshooting and resolution of hardware, software, and application ...
New
Provides Tier I, Tier II and Tier III customer support for broadcasting systems and enterprise IT environments, including direct troubleshooting and resolution of hardware, software, and application ...
New
Provides Tier I, Tier II and Tier III customer support for broadcasting systems and enterprise IT environments, including direct troubleshooting and resolution of hardware, software, and application ...
New
Tier 1, Tier 2, and occasional Tier 3 Core Skills: Hardware support (RF scanners, printers, PCs ... and IT service delivery Working Shifts: 1 Resource: o Monday to Friday - Night Shift - Coverage ...
Tier 1, Tier 2, and occasional Tier 3 Core Skills: Hardware support (RF scanners, printers, PCs ... and IT service delivery Working Shifts: 1 Resource: o Monday to Friday - Night Shift - Coverage ...
Tier 1, Tier 2, and occasional Tier 3 Core Skills: Hardware support (RF scanners, printers, PCs ... IT service delivery Working Shifts: 2 Resources: o 4 days per week - 10.5 hours per shift ...
Tier 1, Tier 2, and occasional Tier 3 Core Skills: Hardware support (RF scanners, printers, PCs ... IT service delivery Working Shifts: 2 Resources: o 4 days per week - 10.5 hours per shift ...
As a Tier III Technical Support Engineer , you will be part of a team of IT professionals who ... Ability to quickly learn new technologies using self-study materials and intuition * Ability to ...
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As a Tier III Technical Support Engineer , you will be part of a team of IT professionals who ... Ability to quickly learn new technologies using self-study materials and intuition * Ability to ...
Gainesville, FL · On-site
$22 - $24/hr
IT Helpdesk Specialist (Tier 1 / Tier 2) Job Summary The IT Helpdesk Specialist (Tier 1 / Tier 2) ... temporary workarounds. 3. Access Administration and Security Support * Manage user accounts ...
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Gainesville, FL · On-site
$22 - $24/hr
IT Helpdesk Specialist (Tier 1 / Tier 2) Job Summary The IT Helpdesk Specialist (Tier 1 / Tier 2) ... temporary workarounds. 3. Access Administration and Security Support * Manage user accounts ...
Gainesville, FL · On-site
$22 - $24/hr
IT Helpdesk Specialist (Tier 1 / Tier 2) Job Summary The IT Helpdesk Specialist (Tier 1 / Tier 2) ... temporary workarounds. 3. Access Administration and Security Support * Manage user accounts ...
Quick apply
Gainesville, FL · On-site
$22 - $24/hr
IT Helpdesk Specialist (Tier 1 / Tier 2) Job Summary The IT Helpdesk Specialist (Tier 1 / Tier 2) ... temporary workarounds. 3. Access Administration and Security Support * Manage user accounts ...
Bradenton, FL · On-site
IT Support Specialist Purpose Delivers day-to-day end-user IT support across assigned OpCos and ... Resolves Tier 1 issues independently and escalates Tier 2/3 to Cloud Engineers with full ...
Bradenton, FL · On-site
IT Support Specialist Purpose Delivers day-to-day end-user IT support across assigned OpCos and ... Resolves Tier 1 issues independently and escalates Tier 2/3 to Cloud Engineers with full ...
This opportunity supports mission-critical IT service delivery within a secure Department of War ... Provide Tier 3 support, solving complex or unknown issues * Configure and manage network security ...
This opportunity supports mission-critical IT service delivery within a secure Department of War ... Provide Tier 3 support, solving complex or unknown issues * Configure and manage network security ...
This opportunity supports mission-critical IT service delivery within a secure Department of War ... Provide Tier 3 support, solving complex or unknown issues * Configure and manage network security ...
This opportunity supports mission-critical IT service delivery within a secure Department of War ... Provide Tier 3 support, solving complex or unknown issues * Configure and manage network security ...
... provide support - Continually improve upon skills and ability to learn new technologies ... Tier 3 function will be focused on their given area of expertise but will also be involved with ...
... provide support - Continually improve upon skills and ability to learn new technologies ... Tier 3 function will be focused on their given area of expertise but will also be involved with ...
| Aspect | Tier 3 Tech Support | Tier 2 Tech Support |
|---|---|---|
| Credentials | Relevant certifications (e.g., CompTIA, Cisco) | Basic certifications or none required |
| Work Environment | Advanced technical support, often in specialized teams | Frontline support, handling common issues |
| Responsibilities | Resolving complex problems, troubleshooting hardware/software | Handling routine issues, escalating complex cases |
| Industry Usage | IT, telecommunications, networking | IT, customer service centers |
In summary, Tier 3 Tech Support handles more complex, specialized issues requiring advanced skills and certifications, while Tier 2 Tech Support manages more routine problems and escalates complex cases to Tier 3.
For Tier 3 Tech Support jobs in Florida, the most frequently searched job titles are:
The top searched job categories for Tier 3 Tech Support jobs in Florida are:

$98K - $134K/yr
Full-time
Medical, Dental, Vision, Life, Retirement
Re-posted 19 days ago
8.3
Based on 152 frontline employees who took The Breakroom Quiz
79th of 492 rated business services
Seeking a career with a sense of purpose, work life balance, and growth opportunities ... There's a place for you at Leidos!
At Leidos, we are committed to making the world safer, healthier, and more efficient through technology, engineering, and science. You would be a valued member of global team providing services across civil, defense, health, and intelligence business lines. At Leidos, team member career development, flexibility, and well-being are priority and is supported by consistent leadership engagement, an experienced human relations staff, and numerous employee support programs.
Use your unique talents and make an immediate impact...
Leidos has an opening for a highly motivated Tier III SeniorNetwork Engineer at MacDill AFB, FL. As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM-O II), Joint Communications Support Element (JCSE). The JCSE team provides en-route, early entry, scalable C4 support to Regional Combatant Commands, Special Operations Command, and other agencies.
In this role, you will be responsible for new capability requirements and design, system assessments, and providing hands-on engineering support. Key elements of this position include: conducting analysis and assessments on new emerging technologies; developing and recommending functional design solutions to meet stakeholder requirements; providing Tier III support to the Joint Network Operations Center (JNOC); developing, engineering, and recommendinghardware and software solutions; and conducting cybersecurity mitigations on design solutions to comply with Risk Management Framework (RMF) cybersecurity requirements.
Responsibilities include:
Providing Tier III routing and switching support with hands on experience designing, testing, and implementing IGP, EGP, MPLS, VRF, and NFV/Service Chaining on an enterprise network to meet security, performance, operational, and functional requirements.
Ensuring proper routing protocols are being applied to optimize the end-to-end network performance from the Local Area Network (LAN) through a Wide Area Network (WAN), to a Campus Area Network (CAN), to a Storage Area Network (SAN), or data center.
Assisting the government customer with identifying any derived design objectives, technical specifications, performance requirements, and interoperability specifications to ensure the system design will meet stakeholder end-to-end requirements.
Ensure the system design adheres to industry standards, DOD standards, DOD policies, DOD instructions, DOD directives, cybersecurity policies, and best commercial practices.
Develop presentations to stakeholders articulating the gaps, requirements, objectives, functional and solution architecture.
Develop, review, and update briefings, papers, and/or spreadsheets to meet customer requirements.
Provide analysis for how the operational, functional, and performance requirements will be met as part of the system design, test, and implementation of initial capabilities.
Minimum Qualifications:
Current DoD 8140 (formerly 8570) IAT Level II certification (CompTIA Security+ce, CCNA Security, CySA+, etc.)
CCNP Enterprise
Education: BS Degree and 4-8 years of prior relevant experience or Masters with 2-6 years of relevant experience. Specific experience, education and training may be considered in lieu of degree.
Clearance: Secret
Intrigued?... There's more! Leidos understands that there are many factors that contribute to a career decision, but pay and benefits are fundamental factors.
Compensation: Very competitive, with a robust rewards and recognition program
Health and well-being: Comprehensive coverage with many programs (ex. HSA, FSA, Dental, Vision, 24/7 EAP) to ensure the well-being of you, eligible family members, and registered domestic partners.
Income Protection: Programs to help navigate life events: Company-provided Term Basic Life, Group Universal Life, Optional Dependent Life, Accidental Death and Dismemberment, and Business travel accident
Leave: Leidos is committed to work life balance, with competitive leave options.
Retirement: Leidos 401k plan, with company match determined by fringe benefit package
Employee Stock Purchase plan: 10% discount for all enrollees
Family Benefits: Center-based and in home back-up childcare, free access to Sittercity, and Dependent (Daycare) Flexible Spending Accounts
The Leidos values are integrity, inclusion, innovation, agility, collaboration, and commitment. It's under these values that we feel we are able to provide a safe work environment where we foster equality, growth, and creativity. If you feel Leidos is a fit you and can meet your needs, please submit your application and join our team in our commitment to excellence.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.
Original Posting:June 29, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.
It services
10,000+ Employees
Reston, VA, US