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T3 Jobs in Virginia (NOW HIRING)

OASYS, INC.

Senior Principal Mission Engineer

Chantilly, VA · On-site

$129K - $178K/yr

  • Dental

  • Vision

  • Retirement

  • PTO

Candidate will provide systems engineering and integration expertise in support of the SDA T3 Tracking mission capabilities. Candidate will design, develop, and verify simulations, execute analysis ...

Astrion

Senior Data Management Analyst

Dahlgren, VA

$100K - $119K/yr

Information Assurance Technical level 3 (IAM III) with a T3 background investigation    PREFERRED QUALIFICATIONS / SKILLS * 10 or more years experience working in Data Management * Bachelor's or ...

Astrion

Systems Programmer (Web/SharePoint)

Dahlgren, VA · On-site

$110K - $120K/yr

Information Assurance Technical Level 2 (IAT II) level with a T3 background investigation PREFERRED QUALIFICATIONS / SKILLS * Bachelor's level degree in Computer, Electrical or Electronics ...

Maximus

M365 Platform Engineer

VA · On-site +1

  • Medical

  • Life

  • Retirement

  • PTO

TCS135, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Provide Tier-3 engineering support for Microsoft 365 GCC, Exchange Online, hybrid Exchange Server, and SharePoint Online ...

Maximus

Security & Compliance Engineer

  • Medical

  • Life

  • Retirement

  • PTO

TCS039, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Experience supporting documentation, reporting, and compliance activities - Understanding of network monitoring tools and ...

Maximus

Journeyman ICAM Administrator

VA · On-site +1

  • Medical

  • Life

  • Retirement

  • PTO

TCS219, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Operate, maintain, and sustain enterprise directory, federation, and Single Sign-On (SSO) services in support of DHS IT and OT ...

Maximus

Journeyman Network Engineer

Springfield, VA · On-site

  • Medical

  • Life

  • Retirement

  • PTO

TCS165, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Provide hands-on support for enterprise network operations, including continuous monitoring, triage, dispatch, and restoration ...

Maximus

Mobility Platform Engineer

  • Medical

  • Life

  • Retirement

  • PTO

TCS219, T3, Band 6 The Mobility Platform Engineer supports enterprise mobility services by providing engineering, operations, and sustainment of Mobile Device Management (MDM) and Mobile Threat ...

Qi Tech LLC

Network/Systems Administrator

Suffolk, VA

$66K - $89K/yr

... T3 communications lines and equipment Provide Customer Service to in-house and external JTs and QRTs Maintain Network Time Protocol (NTP) appliances and provide NTP time services to all NIPR/SIPR ...

Qi Tech LLC

Network/Systems Administrator

Suffolk, VA · On-site

$66K - $89K/yr

... T3 communications lines and equipment • Provide Customer Service to in-house and external JTs and QRTs • Maintain Network Time Protocol (NTP) appliances and provide NTP time services to all NIPR ...

Maximus

Security Operations Manager

VA · On-site +1

  • Medical

  • Life

  • Retirement

  • PTO

TCS057, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Support coordination and execution of enterprise cybersecurity actions across multiple technical teams and service areas ...

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How much do t3 jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for t3 in Virginia is $30.52, according to ZipRecruiter salary data. Most workers in this role earn between $24.31 and $38.81 per hour, depending on experience, location, and employer.

What is a T3?

A T3 job typically refers to a mid-level technical or support position within an organization. It often involves specialized knowledge, problem-solving skills, and the ability to handle complex tasks or escalated issues. The exact responsibilities can vary by industry, but T3 roles generally require experience and expertise beyond entry-level positions.

What are the key skills and qualifications needed to thrive as a T3?

To thrive as a T3 Technical Support Specialist, candidates should have strong troubleshooting abilities, in-depth knowledge of specific products or technologies, and relevant technical certifications such as CompTIA or Microsoft. Experience with ticketing systems, remote diagnostic tools, and software or hardware platforms commonly supported by the employer is typically required. Excellent communication, patience, and critical thinking skills help professionals handle escalated issues and interact effectively with both clients and internal teams. These combined skills are crucial for quickly resolving complex technical problems and maintaining high customer satisfaction.

What are the most common challenges faced by a T3?

As a T3 Technical Support Specialist, you will often handle the most complex and escalated support cases that could not be resolved at lower tiers, requiring both deep technical knowledge and advanced problem-solving skills. A common challenge is quickly diagnosing unfamiliar or unique issues under time pressure, while also ensuring effective communication with clients and collaborating with engineering or development teams. The role may also involve creating technical documentation and providing feedback to improve support workflows. Embracing continuous learning is essential, as staying up-to-date with evolving technologies directly impacts your effectiveness in resolving new problems.

What are the most commonly searched types of T3 jobs in Virginia?

The most popular types of T3 jobs in Virginia are:

What are popular job titles related to T3 jobs in Virginia?

For T3 jobs in Virginia, the most frequently searched job titles are:

What job categories do people searching T3 jobs in Virginia look for?

The top searched job categories for T3 jobs in Virginia are:

T3 jobs near you
Infographic showing various T3 job openings in Virginia as of August 2026, with employment types broken down into 86% Full Time, 11% Part Time, 2% Contract, and 1% Nights. Highlights an 90% Physical, 1% Hybrid, and 9% Remote job distribution, with an average salary of $63,485 per year, or $30.5 per hour.

Senior Principal Mission Engineer

OASYS, INC.

Chantilly, VA • On-site

$129K - $178K/yr

Full-time

Dental, Vision, Retirement, PTO

Re-posted 24 days ago

Job description

Senior Principal Mission Engineer
OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for Senior Principal Mission Engineer to support our customer in Chantilly, VA.
Summary
Make a difference for national security by joining a team of dedicated professionals who assist the Space Development Agency in developing and deploying the next generation of satellites and ground systems for missile warning (MW), missile tracking (MT) and missile defense (MD). Our Tranche 3 Program Integration team has a need for a tracking Mission Engineer with experience analyzing space and ground system architectures through mission thread development and simulation. We are looking for innovative, creative, and highly motivated individuals to mature models and build scenarios (GRMs and DRMs) that effectively capture system of systems effects in complex operational environments. Candidate will provide systems engineering and integration expertise in support of the SDA T3 Tracking mission capabilities. Candidate will design, develop, and verify simulations, execute analysis plans and generate work products that enable program and architectural decisions. Candidate will work with system analysts and mission analysts to ensure that modeling, simulation and analysis capabilities allow for the assessment of operational mission requirements.
Major duties of the position include:
  • Developing model scenarios (GRM/DRMs, threads and use cases), and simulations to support capability assessments (MVC) risk assessments, and other mission-level assessments.
  • Reviewing government scenarios from PWSA enterprise and prior tranches to ensure that T3 scenarios are consistent
  • Developing, simulating, evaluating, documenting, and presenting space and ground-based system level performance analysis and trades for space concepts.
  • Supporting analysis activities by integrating performance models with MBSE models and tools
  • Quantifying performance impacts and sensitivity to changes in CONOPS, Scenario, or threats
  • Developing and briefing data packages that provide analysis results to inform the government decision-makers.
  • Collaborating with prime contractors, other team contractors, government civilians, FFRDC, SETA and members of the SDA.

Required Experience, Skills and Attributes:
  • Master's Degree in Math, Science or Engineering with 15+ Years of demonstrated system engineering and integration experience with space, ground, operations and sustainment segments of DoD or NRO programs with a proven delivery record or a bachelor's degree in Math, Science or Engineering with 17+ Years of demonstrated experience.
  • Overhead Persistent InfraRed (OPIR) or other missile defense or related space-based ISR mission experience.
  • Experience working across space and ground segment organizations to coordinate and identify system requirements that ensure end-to-end mission performance requirements are met.
  • Strong understanding of modeling, simulation, and mission analysis techniques and tools.
  • Experienced at self-starting, seeking solutions, and working well in a team environment
  • Demonstrated experience working with SDA/DoD/NRO customers in an acquisition environment, with space and/or ground systems.
  • Excellent verbal and written communication skills, as well as organizational and interpersonal skills

Desired Requirements
  • Experience with MATLAB, STK, MODTRAN or other comparable modeling and simulation tools
  • Model Based Systems Engineering (MBSE) experience using Cameo or other comparable tools.
  • Space Operations Experience

Security Clearance
  • Active TS/SCI clearance

About OASYS, INC.: Located in Huntsville, Alabama, OASYS, INC. is a technology services and products company dedicated to delivering the right solutions to our government and commercial clients. Our innovative solutions combined with today's technology and our subject matter expertise help to provide full lifecycle support for our client's needs.
Benefits: OASYS, INC. offers a robust benefit plan to include: BC/BS of Alabama Heath & Dental, VSP Vision, Employee Stock Ownership Plan (ESOP), 401-K with Matching, Flexible Spending Account, Tuition Reimbursement, Holidays, Vacation, Short-term/Long-term Disability.
www.oasys-incorporated.com
EOE AA M/F/Vet/Disability Equal Employment Opportunity is the Law: http://www1.eeoc.gov/employers/upload/eeoc_self_print_poster.pdf

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