Nasir Tejumolu
Chantilly,VA
Summary
Experienced COMSEC/Network Engineer with a TS/SCI POLY clearance skilled in LAN, WAN, and wireless network testing, configuration, and maintenance. Proficient in network mapping, security procedures, and risk mitigation. Strong problem-solving skills with a proven track record of improving network efficiency and reducing downtime. Effective communicator with excellent collaboration skills.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Cloud Engineer II
Federal Bureau of Investigation
Chantilly, VA
01.2024 - Current
- Managed AWS services (IAM, S3, EC2, Route 53) for mission-
critical applications, including policy management and VPC
setup. - Automated infrastructure deployment using Terraform,
significantly reducing manual setup time. - Developed and maintained secure IPA configurations and
supported ATO accreditation processes. - Orchestrated multi-environment CI/CD pipelines using GitLab,
including Docker container creation and deployment.
COMSEC Analyst
National Reconnaissance Office
Chantilly, VA
01.2022 - 12.2023
- Conducted daily key management tasks for the downloading, dissemination and destruction of asymmetric and symmetric crypto keys in Key Management Infrastructure (KMI).
- Maintained over 80,000 keys for the National Reconnaissance Office (NRO).
- Daily checks on TACLANES, AKPs, MGCs, and SKLs to ensure mission capability is sustained.
- Use of Linux pertaining to virtual and private networks.
- Tested and deployed LAN, WAN and wireless networks by successfully configuring switches, firewalls and other hardware to sustain equipment efficiency.
- Acted as the primary back up for Air Force Headquarters in San Antonio. Having quickly replaced failed networking components, resulting in minimal down-time with a 99% success rate in component replacement tasks.
Network Analyst
Defense Intelligence Agency
Reston, VA
10.2021 - 01.2022
- Performed testing and management of network hardware, leading to a 25% improvement in network reliability.
- Installed, configured, and maintained LAN, WAN, Intranet, and Internet systems, ensuring network availability to all users.
- Provided leadership and support to other engineering teams, leading all network design and engineering activities.
- Conducted audits and risk assessments regularly, implementing boundary protection to enterprise-level infrastructures.
Assistant Special Security Officer
U.S. Marine Corps
Oceanside, CA
03.2021 - 08.2021
- Proficient in Defense Information System (DISS) as well as Joint Personnel Adjudication System (JPAS).
- Oriented over 200 intelligence professionals' indoctrinations into DISS and debriefing them from the security network.
- Wrote Standard Operating Procedures (SOP) and military orders for my battalion in regards to physical and software security.
- Processed daily task using JWICS and Scattered Castles to regulate all Top Secret personnel military and civilian.
Information Systems Security Manager (ISSM)
U.S. Marine Corps
Okinawa, Japan
12.2017 - 01.2021
- Ensure implementation of a Configuration Management Plan (CMP) for software, hardware, and firmware is documented and maintained, and serve as a member of the Configuration Management Board, with Information System Security Manager (ISSM) and System Owner concurrence.
- Held weekly standup meetings with Marines subordinates to establish a RMF for my battalion that elevated unit readiness by 70%.
- Reviewed C&A documentation and assisted ISSM in the preparation of documentation for systems installed without existing documentation.
COMSEC Custodian Specialist
U.S. Marine Corps
Okinawa, Japan
11.2016 - 03.2021
- Installed software updates and new programs from VINE Manager/Enterprise onto equipment to maintain upgrades with crypto key loading devices ranging from SKLs, KG-175A/KG-250.
- Acted as on the spot help desk support for customers needing to initialize SKLs with the Cryptographic Ignition Key (CIK) and deleting superseded codes.
- Safeguarded over 400 sensitive cryptographic items daily as well as maintaining accountability at the start and end of the work day.
Geospatial Intelligence Imagery Analyst
U.S. Marine Corps
Oceanside, CA
09.2013 - 10.2016
- Deployed with 13th MEU in support of Operation Inherent Resolve (CJTF-OIR) located in Kuwait, Jordan, and Bahrain.
- Completed the Tactical Imagery Analysis Course at the National
Geospatial Intelligence Agency (NGA).
Education
Cybersecurity & IA
Western Governors University
Salt Lake City, UTSkills
- TS SCI/Poly
- Risk Mitigation
- Data Encryption
- Quality Control Supervisor
- Network Mapping & Analysis
- Security Procedures Policies
- Digital Forensics
- Firewalls
- Hardware
- Switches/ IP Routing
- Cloud Computing
Certification
- CompTIA 601 Security + (Expires: 06/2025)
- COMSEC Responsible Officer's Course, NRO, Chantilly, VA
- Key Management Infrastructure Course, Leidos, Columbia, MD
- Tactical Imagery Analysis Course, U.S. Marine Corps, Springfield, VA
- Operational Security Training, U.S. Marine Corps, Oceanside, CA
- Special Security Officers Course, Jacksonville, FL
Timeline
Cloud Engineer II
Federal Bureau of Investigation
01.2024 - Current
COMSEC Analyst
National Reconnaissance Office
01.2022 - 12.2023
Network Analyst
Defense Intelligence Agency
10.2021 - 01.2022
Assistant Special Security Officer
U.S. Marine Corps
03.2021 - 08.2021
Information Systems Security Manager (ISSM)
U.S. Marine Corps
12.2017 - 01.2021
COMSEC Custodian Specialist
U.S. Marine Corps
11.2016 - 03.2021
Geospatial Intelligence Imagery Analyst
U.S. Marine Corps
09.2013 - 10.2016
Cybersecurity & IA
Western Governors University