MANTECH seeks a motivated, career-oriented, and customer-focused **Enterprise IT Officer – Dedicated IT Support Officer** to join our team in **McLean, VA** . In this role, you will provide Tier 0–2 support for enterprise IT services in a mission-critical classified environment. You will work both independently and with cross-functional teams to ensure system reliability, user satisfaction, and service-level compliance. **Responsibilities include, but are not limited to:** + Provide Tier 0–2 IT support for desktops, laptops, printers, phones, and software issues. + Troubleshoot and resolve technical problems independently, escalating to Tier 3 only when necessary. + Support users both remotely and on-site with software tools and custom applications. + Install, configure, and maintain workstations, printers, phones, and other endpoint equipment. + Collaborate with network, systems, and application teams to restore service and resolve complex technical issues. + Use ITIL-based workflows to manage incident intake, triage, resolution, and documentation. + Ensure compliance with SLAs and contribute to continuous improvement initiatives. + Travel locally between customer buildings or temporarily reassign as needed to support project needs. _Work schedule includes flexible hours with required coverage between 9:00 AM – 3:00 PM, with overall team coverage until 6:00 PM._ **Minimum Qualifications:** + 11 years of IT support experience; a Bachelor’s degree can be substituted for 4 years’ experience; OR a Master’s degree can be substituted for 6 years of experience; AND/OR any of the relevant certifications can be used as 6 months of experience: + ITIL Foundation (IT Service Management) + CompTIA A+ CompTIA Network+ **HDI Support Center Analyst (HDI-SCA)** + Microsoft Certified: Modern Desktop Administrator Associate + CompTIA Security+ Cisco Certified Network Associate (CCNA) + Certified Information Systems Security Professional (CISSP) + CUSTOMER specific Component Mission Administrator (CMA) or Directorate Mission Administrator (DMA) + Current Component Mission Administrator (CMA) or Directorate Mission Administrator (DMA) certification. + Proven experience resolving issues involving hardware, software, networks, system access, and telecommunications. + Proficiency with Windows 10, Microsoft Office 2016 or later, and Active Directory. + Familiarity with TCP/IP networking, VOIP phones, printers, and endpoint deployment. + Strong customer service and troubleshooting skills in an enterprise IT environment. **Preferred Qualifications:** + Experience providing technical support in help desk or deskside environments. + Familiarity with special systems administration tasks including access controls or secure file transfer. + Excellent communication skills with the ability to interact effectively with customers, teammates, and leadership. + Demonstrated ability to adapt quickly to new tasks and technologies in a fast-paced environment. **Clearance Requirements:** + Must have a current and active TS/SCI with Polygraph. **Physical Requirements:** + Ability to remain in a stationary position for at least 50% of the time. + Ability to operate computers and standard office equipment for extended periods. + Must be able to move within and between office buildings, including under desks and inside wiring closets. + Must be able to lift and move IT/AV equipment weighing 50+ pounds, using carts or team lift as necessary. + Must be able to climb ladders up to 10+ feet while installing cables and equipment. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.