Solutions Engineer Security Clearance

Position: Solutions Engineer with Security Clearance
Summary Solutions Engineer Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level!

We deliver essential technology services in support of missions critical to national security and economic stability. Securi Gence is seeking a highly skilled Solutions Engineer with strong systems engineering expertise, deep technical breadth, and proven technical credibility to support DARPA product teams. This role spans systems-focused and security-focused product lines, requiring an engineer who can operate as both a solutions architect and a hands-on implementer.

You will design, implement, and integrate advanced technologies across secure, classified, and air-gapped environments while collaborating with cross-functional teams. You will lead engineering projects end-to-end, drive architectural decisions, and continuously evolve our technical posture through learning and modern engineering practices. Responsibilities
* Architect, design, and implement Linux- and Windows-based enterprise systems, backend services, orchestration platforms, and secure infrastructure components.
* Support solution architecture and technical design for emerging DARPA product capabilities, producing system diagrams, interface definitions, and integration patterns.
* Apply deep technical breadth across systems engineering, networking, cybersecurity, cloud, data flows, automation, and distributed systems to solve complex technical challenges.
* Serve as a trusted technical authority, demonstrating strong technical credibility with engineering peers, stakeholders, and customer counterparts.
* Engineer, integrate, and maintain security tools (SIEM, SOAR, EDR, vulnerability management, host and network sensors).
* Lead systems hardening, secure configurations, STIG implementation, and cybersecurity compliance activities.
* Collaborate across cross-functional product teams (systems, software, security, cloud, Dev Ops, research) to align engineering decisions with mission and product goals.
* Develop automation and CI/CD workflows-including air-gapped pipelines-for deployment, testing, and configuration management.
* Conduct advanced troubleshooting across hybrid infrastructures, distributed services, and mission-critical operational environments.
* Continuously evaluate new technologies, frameworks, and methods, demonstrating continuous learning and adaptability to evolving mission needs.
* Ensure project transition success by delivering strong documentation, knowledge transfer, and sustainment handoff to receiving teams.
* Provide occasional after-hours support to sustain critical operations.
* Other duties as assigned. Qualifications
* Bachelor's degree in information technology, Computer Engineering, Cyber Security, or related field.
* 5+ years of professional experience in systems engineering, software/application development, or security engineering, including:
* 3+ years in classified or air-gapped environments
* CompTIA Security+
* DoD IAT Level II or III Certification (or ability to obtain)
* DoD Top Secret Clearance with SCI eligibility, with the ability to obtain CI Polygraph

Preferred Qualifications:

* Successfully pass background and drug screening Knowledge, Skills, and Abilities:
Technical Depth & Breadth
* Deep technical breadth across Linux systems, virtualization, networking, cybersecurity, cloud platforms, and distributed system design.
* Strong experience with Microsoft and Linux engineering (RHEL, Rocky, Ubuntu Server), SELinux, kernel tuning, systemd, and OS-level security.
* Experience with configuration management tools (Ansible, Puppet, Salt, Chef) and infrastructure automation.
* Hands-on experience with virtualization (VMware, KVM) and container platforms (Docker, Kubernetes/Open Shift).
* Ability to architect, design, and document complex systems and security solutions.
* Experience with cloud platforms (AWS, Azure, GCP) in secure or regulated environments, and good understanding of automation and CI/CD pipelines in air-gapped or restricted networks. Security Tools & Frameworks
* Experience integrating and operating SIEM/SOAR platforms (Splunk, Cortex, QRadar, Sentinel).
* Familiarity with EDR, IDS/IPS, OSQuery, Suricata, Zeek, Tenable/Nessus, and hardening frameworks.
* Strong understanding of NIST, STIGs, RMF, ATO processes, and security architecture. Solution Architecture & Technical Credibility
* Demonstrated ability to support architectural decisions, evaluate alternatives, and propose secure, scalable system designs.
* Respected as a technical leader with the ability to influence engineering decisions and gain…