Darius O’Connor
Woodbridge
Summary
Experienced Senior Microsoft Administrator with a proven track record of managing and supporting Microsoft environments including Active Directory, Exchange, and Office 365. Resourceful in responding to a wide range of technical challenges with focused and creative solutions. Highly effective in problem-solving, decision-making, and leading technical initiatives to improve system performance, reliability, and security.
Overview
9
9
years of professional experience
Work History
Senior Exchange Administrator
ECS Federal
12.2023 - Current
- Develop and implement policies and procedures for system administration activities.
- Oversee the administration and support of Microsoft environments including Active Directory, Exchange, and Office 365.
- Lead initiatives to improve system performance, reliability, and security.
- Provide advanced technical support and troubleshooting for complex issue
- Coordinate with other IT teams to ensure seamless integration of Microsoft technologies
- Manage and execute projects related to Microsoft technologies.
- Mentor and train junior administrators and support staff.
System Administrator
Tapestry
11.2021 - 12.2023
- Diagnosed and resolved hardware and software issues.
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Support system installations and problem resolution at several other sites; domestic and international.
- Update/create/distribute Software Support media to the fleet.
- Worked with users to determine areas of technology in need of improved usability.
- Oversaw file system and storage upgrades while safeguarding data integrity and redundancy.
Information Assurance Analyst
Aperture
02.2021 - 11.2021
- Provide support for proposing, coordinating, implementing, and enforcing information systems security
policies, standards, and methodologies - Evaluate security solutions to ensure they meet security requirements for processing classified
information -Execute policies and guidance provided by senior functional/technical leads - Perform vulnerability and risk assessments of various networks
- Assess security impact to network configuration changes
- Process account paperwork (NIPR, SIPR, JWICS, NSA Net, & privileged admin accounts) in support of
in- and out-processing personnel - Monitor and manage user-level IA training in the Army Training and Certification Tracking System
(ATCTS) - Produce official reports on IA-compliance
- Provide Assessment and Authorization (A&A) and Cybersecurity support
Information Technology Specialist
General Dynamics
10.2019 - 02.2021
- Provide customer service support to internet and network users
- Responsible for managing or participating in special projects as assigned
- Help manage and maintain Microsoft Windows Active Directory
- Answered incoming calls, determined user needs and provided appropriate solutions -Installed, configured and modified hardware and software to ensure optimal performance -Provided Tier II technical phone and desktop support for Windows workstations -Daily tasks include creating, closing and updating troubleshooting tickets.
- Able to cut & create tokens for user logon interface on SIPR -Proficient in admin roles on multiple domains (NIPR,SIPR,JWICS) -Perform ACAS (Nessus) scanning to confirm patching of systems -Install and update security patches on hosts and servers.
System Administrator
Smartronix
12.2018 - 10.2019
- Providing support for the systems and performing regular backups and restoring information
- Monitoring the systems and network efficiency.
- Solving problems connected to the network and the systems
- Applying patches and updates to the system continuously for implementing security measures.
- Ensuring that all the separate elements of the system are working together properly.
- Managing and planning projects related to the systems.
- Providing easy to understand advice for company employees.
- Setting up user accounts and retrieving information including passwords and account usernames.
- Monitoring the storage capabilities of the system
- Provisioning & troubleshooting of telecommunication devices -Implement DISA STIGs and Benchmarks
Visitor Control Security Specialist
United States Navy
10.2015 - 08.2018
- Ensure only authorized personnel was granted entrance into the Sensitive Compartmented Information
- Facility (SCIF) by the review of badges, and verification of clearances
- Receive and pass security clearances via Joint Personnel Adjudication System (JPAS)
- Conduct random inspection of packages and other items to ensure no prohibited items are introduced into the facility
- Monitor closed circuit television systems, fire alarm systems, intrusion detection systems and notified appropriate personnel as required
- Receive, record, and transfer incoming telephone calls to the appropriate individual
- Prepared and processed a daily Visitor's Control Log for the custody of the Special Security Officer.
Education
High School Diploma -
Potomac Senior High School
Woodbridge, VA06.2014
Skills
- Active Listening skills
- Problem solving skills
- Collaboration / Teamwork
- Technical Support
- Network Repairs and Maintenance
- Proficient in Windows OS
Additional Information
CompTIA
Certificate Program – Reston, VA.
Candidate ID: KBG7C07EQGBE1H5X
Major: Security+ Certified CE – Completed May 2019
Clearance
Active TS/SCI clearance.
Timeline
Senior Exchange Administrator
ECS Federal
12.2023 - Current
System Administrator
Tapestry
11.2021 - 12.2023
Information Assurance Analyst
Aperture
02.2021 - 11.2021
Information Technology Specialist
General Dynamics
10.2019 - 02.2021
System Administrator
Smartronix
12.2018 - 10.2019
Visitor Control Security Specialist
United States Navy
10.2015 - 08.2018
High School Diploma -
Potomac Senior High School
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