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Xcelerate Solutions

Staff Cyber Security Engineer – TS/SCI

Xcelerate Solutions

. Support a long-term DIA-NDOC DOMEX Technology Platform contract .

Posted 10/2/2026full-timeBethesda • Maryland • United StatesLeadWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in cybersecurity practices, including vulnerability assessments, compliance scanning, and risk analysis for cloud-based systems. Proficient in implementing security controls for containerized applications and integrating security measures into CI/CD pipelines.

Highest-signal resume keywords
Top Secret ClearanceDoD 8570.01-M IAT CertificationLinux Hardening ExperienceKubernetes Security IntegrationNIST SP 800-53 Knowledge

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Vulnerability AssessmentRisk AnalysisShell ScriptingBash ProgrammingPython ProgrammingSTIG ComplianceCI/CD Pipeline SecurityCloud SecurityContainer SecurityMicroservices Architecture
Tools & Technologies
XACTAEMassACASNessusSplunkFortifyCheckmarxSonarQubeC2S/AWSZero Trust
Certifications & Qualifications
CCNA SecurityCySA+Security+ CECISSPLinux+
Industry Keywords
CybersecurityDefenseIntelligence CommunityTCPEDOSINTIATTATOChange RequestDISA STIGIntelligence Community RMF

Tech Stack

Tools & technologies
AWSCloudCyber SecurityKubernetesLinuxMicroservicesOraclePythonSplunkTypeScript

About the role

Key responsibilities & impact
  • Support a long-term DIA-NDOC DOMEX Technology Platform contract
  • Collaborate with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Management
  • Support centralization and standardization of TCPED for OSINT across Defense and Intelligence Community enterprises
  • Collect, review, assess, and provide feedback on cybersecurity, architecture, engineering, and Body-of-Evidence artifacts
  • Conduct compliance scanning, vulnerability assessments, and risk analysis for cloud-based systems
  • Implement and manage security controls for containerized applications and cloud infrastructure
  • Collaborate with DevSecOps, infrastructure, and software development teams on secure coding and engineering practices
  • Integrate security measures into software development processes, CI/CD pipelines, and engineering tools
  • Develop, maintain, and execute shell commands, scripts, and automation code for STIG compliance and validation
  • Implement and manage continuous monitoring solutions for cloud-based architectures
  • Support government cybersecurity officials and program personnel in preparing IATT, ATO, and Change Request packages
  • Stay current with emerging cloud security threats, technologies, and best practices

Requirements

What you’ll need
  • Active or current Top Secret clearance with SCI eligibility and ability to obtain a polygraph
  • Bachelor's degree in Cybersecurity, Computer Science, Information Assurance, Engineering, or related technical discipline and 8–12 years of relevant experience, OR master's degree with 6–10 years of relevant experience
  • Additional years of experience may be considered in lieu of a degree
  • ISSO experience supplemented with demonstrated technical expertise
  • At least one DoD 8570.01-M IAT and one IAT Level II or higher certification, such as CCNA Security, CySA+, Security+ CE, or CISSP (or Associate)
  • Ability to obtain Privileged User Account/elevated access per DoD 8570 policy
  • Linux+ certification
  • At least 5 years of experience hardening Linux hosts and applying DISA STIG
  • Demonstrated experience securing Kubernetes platforms and integrating security into CI/CD pipelines and containers
  • Demonstrated experience developing A&A packages to obtain and maintain ATO in secure environments
  • Knowledge of NIST SP 800-37, SP 800-53, and CNSSI 1253
  • XACTA/eMass experience
  • Experience performing vulnerability compliance with ACAS and STIG automation
  • Experience with Bash and Python
  • Understanding of secure software development practices and code reviews
  • Experience with encryption and transport
  • Understanding of microservices architecture and service mesh
  • Ability to obtain required elevated access
  • Preferred: active TS/SCI with polygraph; C2S/AWS; Intelligence Community RMF, ICD 503; Zero Trust; DAST/SAST, Fortify, Checkmarx, SonarQube, Nessus, Splunk; advanced IAT/IAM certifications; cloud, Kubernetes, Linux, Oracle Linux, AI security, and network engineering experience

Benefits

Comp & perks
  • Flexible schedule
  • Some tasks may be performed remotely depending on client requirements/deliverables
  • Growth and development opportunities
  • Reasonable accommodations for applicants or employees with disabilities