Security Engineer II, DCO Engineer (TS/SCI, Onsite)

Our Deloitte Cyber team understands the unique challenges and opportunities businesses face in cybersecurity.

Join our team to deliver powerful solutions to help our clients navigate the ever-changing threat landscape.

Through powerful solutions and managed services that simplify complexity, we enable our clients to operate with resilience, grow with confidence, and proactively manage to secure success.

Recruiting for this role ends on June 19th, 2026.

Work You'll Do



* Require a Defensive Cyber Operations (DCO) SME with a desire to actively defend the mission systems critical to our national defense.

As an engineer the candidate will lead individuals towards common goals and work with engineers to apply extensive expertise on multiple complex work assignments.


* Assignments may be broad in nature, requiring originality and innovation in determining how to accomplish tasks.


* Leads the development of DCO methodologies and presents solutions to problems.

Contributes to deliverables and performance metrics where applicable.


* Consults on IT and cyber defensive architecture and technologies.


* Assesses assigned cyber key terrain to thoroughly understand the mission, architecture and associated threat.


* Advises on technical design and implementation of DCO capabilities required to effectively protect, detect and respond to cyber threats and attacks.


* Researches cyber defense technologies for best fit based on mission, architecture and current threat.


* Leads the design, implementation, configuration and/or tuning of cyber defensive technology.


* Authors documentation to include SOPs, checklists, implementation guides, architecture diagrams, crew binders, etc.

to support DCO.

Adapts technologies to meet the mission architecture and threat.

A successful candidate would possess these skills:


* Ability to work independently and collaborate as part of a team


* Effective written and verbal communication skills


* Meticulous attention to detail and quality of work product


* Ability to build and sustain professional relationships


* Ability to lead projects or workstreams


* Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment


* Strong interpersonal skills and professional demeanor


* Ability to meet deadlines


* Ability to provide clear guidance to others

The Team

Deloitte's Government & Public Services (GPS) practice - our people, ideas, technology and outcomes - is designed for impact.

Serving federal, state, & local government clients as well as public higher education institutions, our team of professionals brings fresh perspective to help clients anticipate disruption, reimagine the possible, and fulfill their mission promise.

Our Enterprise Security offering embeds security in all aspects of digital transformation by securing a client's technical backbone while enabling secure digital transformation.

Includes security arch...