Senior Cybersecurity Engineer / Site Lead

PROVATOHR INC•Linthicum Heights, MD

3d•Onsite

About The Position

Apotheosis is seeking a Senior Cybersecurity Engineer / Site Lead to serve as the proposed Key Personnel and team lead for a DoD cyber mission support program at the Defense Cyber Crime Center in Linthicum Heights, Maryland. The selected candidate will lead a cleared SETA team providing cybersecurity engineering, cyber operations analysis, architecture support, test engineering, process improvement, R&D technical support, and technical project management across DC3 mission areas. The Government requires one Senior Cybersecurity Engineer to be identified as Key Personnel/team lead within both the base-year and option-year staffing structure, and the Key Personnel resume is a gate requirement for proposal evaluation.

Requirements

Active Top Secret clearance.
SCI eligibility at time of proposal submission/performance; TS/SCI strongly preferred.
CISSP certification.
Experience leading cybersecurity engineering, systems engineering, SETA, cyber operations, or cyber mission-support teams in DoD, IC, law enforcement, or counterintelligence environments.
Experience with RMF, cybersecurity architecture, vulnerability/risk analysis, cybersecurity tool integration, continuous monitoring, test engineering, DevSecOps/agile methods, and technical documentation.
Ability to work onsite full-time in Linthicum Heights, Maryland.
Strong communication skills and ability to produce clear, actionable technical recommendations for Government stakeholders.

Nice To Haves

Prior DC3, AFOSI, DoD cyber, law enforcement, counterintelligence, digital forensics, or intelligence-community experience.
Experience supporting technical exchange meetings, cyber R&D, capability assessments, vendor market surveys, field demonstrations, and mission-partner coordination.
Experience with DoD/AF acquisition, JCIDS, PPBE, DoD 5000-series processes, SAFe Agile, PMBOK, and DoD systems engineering guidance

Responsibilities

Lead the onsite contractor technical team and serve as the primary day-to-day technical interface with the Government COR and mission stakeholders.
Provide systems engineering and cybersecurity analysis across DC3 enterprise systems, tools, and mission capabilities.
Support architecture analysis, modernization recommendations, operational/system view updates, integration planning, and technical standards alignment.
Support cyber operations analysis, including structured analysis, intelligence-informed technical assessments, gap identification, and production of actionable technical findings.
Participate in root-cause analysis, corrective-action planning, and problem management for recurring technical issues.
Support change management, release planning, configuration control, integration, sustainment, and transition of new or modified capabilities.
Support test engineering activities, including developmental testing, operational testing, automated test planning, failure analysis, risk assessment, and corrective action tracking.
Develop and review technical reports, specialized reports, briefings, schedules, risks, action trackers, and decision-ready recommendations.
Ensure team compliance with contract performance expectations, including workforce stability, deliverable timeliness, technical quality, and vacancy controls.
Maintain a cohesive, mission-focused team capable of supporting short-notice and ad hoc Government tasking.