Demo

D-SIL Sustainment Lead

Sentar Inc.
Charleston, SC Full Time
POSTED ON 3/17/2026
AVAILABLE BEFORE 9/12/2026
Sentar is proud to be an employee-owned company, fostering a culture of empowerment, collaboration, and innovation. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering. We invite you to join the team where you can build, innovate, and secure your career.

Sentar is seeking a D-SIL Sustainment Lead in Charleston, SC!

Role Description

As the Sustainment Lead for D-SIL, you will play a critical role in ensuring systems remain operational, secure, and aligned with long-term strategic goals. You are responsible for managing the complete lifecycle of systems, focusing on proactive maintenance, performance optimization, and the integration of new technologies to sustain system effectiveness over time. By managing the lifecycle of critical infrastructure and proactively addressing risks, this role directly supports the mission readiness of all D-SIL systems. The successful candidate will be instrumental in maintaining system adaptability, reducing lifecycle costs, and ensuring compliance with all regulatory and operational standards.

Position Requirements And Duties

System Lifecycle Management: Oversee the maintenance, upgrades, and retirement of systems to ensure continued operational readiness. Develop and implement sustainment plans that align with organizational goals, regulatory requirements, and technological advancements.

Performance Optimization: Monitor system performance and

identify opportunities for improvement, including resource

allocation, efficiency gains, and cost reduction. Conduct regular audits and assessments to ensure systems meet performance benchmarks and security standards.

Risk Mitigation & Compliance: Identify and mitigate risks associated with system aging, component obsolescence, or cybersecurity threats. Ensure compliance with regulatory, contractual, and operational requirements throughout the system lifecycle.

Technology Integration: Evaluate and integrate new technologies, tools, or methodologies to enhance system capabilities and sustainability. Collaborate with engineering, operations, and procurement teams to align sustainment efforts with emerging capabilities.

Cross-Functional Collaboration: Partner with Capability Integration leadership, operations, and logistics teams to ensure seamless sustainment processes. Provide technical guidance and support to ensure systems remain adaptable to changing mission needs.

Documentation & Knowledge Transfer: Maintain detailed records of system configurations, maintenance activities, and sustainment strategies. Develop training materials and share best practices to ensure team proficiency and continuity.

Qualifications

Clearance Level: Secret with eligibility for upgrade to Top Secret (TS)

Education: Bachelor's degree

Certifications: Must possess DoD 8570 IAT Level II and DoD 8140 CSSP Auditor

compliant certifications.

Experience

  • Minimum 5 years of experience in systems sustainment, lifecycle management, or a related field within DoD environment.
  • Proficiency in system lifecycle management, performance monitoring, and risk assessment methodologies.
  • Proven ability to optimize system performance and ensure longterm sustainability.
  • Strong understanding of DoD systems, cybersecurity frameworks (e.g., RMF), and logistics processes.
  • Familiarity with compliance frameworks such as the DoD 5000 series.
  • Excellent communication and leadership skills to manage and influence cross-functional teams.
  • Strong analytical mindset to identify and resolve complex sustainment challenges.
  • Must be a US citizen

Highly Desired Skills

  • Master’s degree in a relevant field or additional years of equivalent professional experience.
  • Experience with balancing short-term operational needs with long term strategic goals.
  • Demonstrated creativity in solving complex sustainment challenges and integrating new capabilities.

Additional Info

  • Position may require up to 25% travel as needed
  • OCONUS travel may be required

Benefits At Sentar

Our unique ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well-being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long-term financial security and a commitment to excellence.

  • Voluntary Medical, Dental, Vision, with Health Savings or Flexible Spending Plan options
  • Voluntary Life, Critical Illness, Accident, and Long Term Care insurance options
  • Group Term Life, Short-Term and Long-Term Disability is provided by Sentar to all qualifying employees
  • Generous 401(k) match
  • Competitive PTO plan that graduates quickly with years of service
  • Other leave programs; holiday schedule along with bereavement, maternity, jury and military duty
  • Mental health awareness programs
  • Tuition reimbursement
  • Professional development reimbursement
  • Recognition and Awards programs

If you are not ready to apply for this position, submit your resume here to join our talent community. We'll keep you updated occasionally on new job opportunities.

Sentar is an Affirmative Action and Equal Opportunity Employer M/F/Vets/Persons with Disabilities

Our culture is one of inclusivity and support. Sentar is proudly an Equal Opportunity and VEVRAA Federal Contractor Employer M/F/Vets/Persons with Disabilities. Follow these links to learn more about your rights: EEO Is the Law Poster; EEO Is Law Supplement; and Pay Transparency.

We want you to build your career at Sentar, so if you are an individual with a disability and require a reasonable workplace accommodation applying for a job or at any point in the employment process, contact the Recruiting Manager at recruiting@sentar.com. Please indicate the specifics of the assistance needed. Thank you for considering Sentar in your employment search.

Build, Innovate, Secure Your Career at Sentar.

Salary.com Estimation for D-SIL Sustainment Lead in Charleston, SC
$117,400 to $143,059
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