Customer Success Engineer TS/SCI

Mission Box TechnologiesReston, Virginia, United StatesOnsite

We are seeking a Customer Success Engineer with a strong background in systems engineering and computer science to lead client onboarding and ensure seamless integration of technical solutions. This role is vital to translating complex technical requirements into actionable onboarding plans while maintaining a customer-first mindset. The ideal candidate will combine technical expertise with excellent communication skills to serve as a key liaison between internal engineering teams and client stakeholders, driving successful adoption and long-term satisfaction.

Responsibilities:

Lead and manage the technical onboarding of new clients, ensuring system requirements and integration steps are clearly defined and met
Analyze client infrastructure and workflows to tailor onboarding solutions that align with engineering capabilities
Translate complex technical specifications into clear, actionable plans for engineering and software development teams
Collaborate with systems engineers, developers, and program managers to deliver onboarding milestones on time and within scope
Provide training, documentation, and technical support to ensure client readiness and satisfaction
Serve as the communication bridge between clients and internal teams, identifying pain points and ensuring rapid resolution
Support post-onboarding check-ins and transitions into long-term support or operational phases
Continuously improve onboarding processes based on client feedback and technical lessons learned

Must Have's:

Bachelor’s degree in Systems Engineering, Computer Science, or a related technical field (or equivalent experience)
Minimum of seven (7) years of relevant experience
Demonstrated experience in systems engineering for enterprise IT, cloud, or software-based solutions
Hands-on experience in software development or technical environments
Exceptional interpersonal, verbal, and written communication skills
Strong organizational skills with the ability to manage multiple onboarding engagements simultaneously
Ability to communicate technical details clearly to both technical and non-technical audiences
Experience working with government or federal clients
IAT Level II certification (Security+ or equivalent)

Nice to Have's:

Experience with Agile methodologies and technical project management
Familiarity with onboarding tools, client portals, or DevOps environments
Understanding of security, compliance, or data management requirements in federal systems

Location

Reston, VA

Salary

$150,000 - $180,000 per year

Benefits

Competitive benefits package available (details provided during the interview process)Mission Box Technologies is an Equal Opportunity Employer. We value the benefits of diversity in our workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity and expression, national origin, disability, protected Veteran status, or any other attribute or protected characteristic by law. Applicants selected may be subject to a government security investigation and must meet eligibility requirements for potential access to classified information.

Accordingly, US Citizenship is required. Our strategic partner is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The statements herein are intended to describe the general nature and level of work being performed by employees and are not to be construed as an exhaustive list of responsibilities, duties, and skills required of personnel so classified.

Furthermore, they do not establish a contract of employment and are subject to change at the discretion of our strategic partner.

Life at Mission Box Technologies

Thrive Here & What We ValueCommitted to building exceptional teams | Passion for people and value delivery to customers | Believes in the benefits of diversity in their workforce | Equal Opportunity Employer | Values strong communication skills and problem-solving abilities | Emphasizes adaptability and attention to detail. | Mission Box Technologies values the benefits of diversity in their workforce | They are an equal opportunity employer and committed to creating a diverse environment | All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. | 1. Medical, Dental, and Vision Coverage for Employees and Dependents | 2. Up to 25 Days of Paid Time Off and 40 Hours of PTO Carryover | 3. Opportunities for Remote Work | 4. 401K with Company Contribution, Fully Vested from Day One | 5. Discretionary Certification, SignOn, and Referral Bonuses | 6. Professional Development Budget, Life and Disability Insurance, Financial Planning Assistance, and More | 7. Monthly Team and Family Events, Technology Budget, Global Entry Support, and Annual Swag Budget | 8. Commitment to Creating a Diverse Environment and Equal Opportunity Employer | 9. Strategic Partner Committed to Sustaining and Enhancing Essential Software and Systems for Critical U.S. Government Mission</s> | 1. Active TS/SCI FSP | 2. CareFirst Medical, Dental, and Vision Coverage for Employee and Dependents | 3. Up to 25 Days of Paid Time Off | 4. Up to 40 hours of PTO Carryover | 5. 11 Federal Government Holidays | 6. Work From Home Opportunities | 7. 401K Company Contribution, Fully Vested Day 1 | 8. Discretionary, Certification, and SignOn Bonus Potential | 9. Employee Referral Bonus Program | 10. Annual Professional Development | 11. 100% Premium Covered for Life & Disability Insurances | 12. Additional Voluntary Life Insurance Coverage Available | 13. Employee Assistance Program | 14. Travel Protection Program | 15. Financial Planning Assistance | 16. Bereavement and Jury Duty Leave | 17. Monthly Team and Family Events</s> | Comprehensive benefits package, including health, dental, and vision insurance | Paid time off and federal holidays | Professional development and training opportunities | NCMS ISP® Certification (nice to have) | Completion of Center for Development of Security Excellence (CDSE) STEPP training courses (nice to have)</s> | Discretionary, Certification, and Sign-On Bonus Potential | Mission Box Technologies is an Equal Opportunity Employer. We value the benefits of diversity in our workforce.</s> | Values based company | Core values guide every decision made and drive the company forward | Seeking individuals who are in alignment and embody these values | Mission Box Technologies is a Service-Disabled Veteran-Owned Small Business (SDVOSB) still in its exciting startup phase. Founded by a 20-year Army Veteran and his Military Spouse to enhance careers, help businesses grow, and enrich the lives of those we serve. | People are the future! Mission Box Technologies is a values based company. Our company values guide every decision made and drive us forward. We are seeking individuals who are in alignment and embody these values.</s> | Proud to be an equal opportunity employer | Values the benefits of diversity in our workforce | Offers CareFirst Medical, Dental, and Vision Coverage for Employee and Dependents | Medical, dental, and vision coverage (CareFirst) for employees and dependents | 11 Federal holidays and work-from-home opportunities | 401K with company contribution, fully vested on Day 1 | Discretionary bonuses for certifications and referrals, annual professional development budget, and sign-on bonuses | Life and disability insurance, with options for additional voluntary coverage | Employee Assistance Program, financial planning assistance, and travel protection program | Additional perks include monthly team/family events, technology and swag budgets, and Global Entry support. | 1. Comprehensive benefits package for employees and dependents | 2. Flexible workfrom-home options | 3. Opportunities for discretionary, certification, and signon bonuses | 4. Annual professional development funding | 5. Fully covered life and disability insurance, with voluntary additional life insurance options | 6. Employee Assistance and Travel Protection Programs | 7. Financial planning assistance, bereavement, and jury duty leave | 8. Monthly team and family events, technology budget, Global Entry, and an annual swag budget.</s> | Competitive benefits package available | Comprehensive health, dental, and vision insurance | 401(k) with company match | Paid time off and holidays | Travel and housing accommodations included while OCONUS | Required PPE and safety equipment provided</s> | Comprehensive CareFirst Medical, Dental, and Vision coverage for employees and dependents | Up to 25 days of paid time off (PTO), with 40 hours of PTO carryover | Potential for discretionary, certification, and sign-on bonuses | Annual professional development opportunities | 100% premium coverage for life and disability insurance | Additional voluntary life insurance available | Global Entry program benefits | 1. Mission Box Technologies is an Equal Opportunity Employer | 2. We value the benefits of diversity in our workforce | 3. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity and expression, national origin, disability, protected Veteran status, or any other attribute or protected characteristic by law. | 4. Applicants selected may be subject to a government security investigation and must meet eligibility requirements for potential access to classified information. | 5. Our strategic partner is committed to creating a diverse environment and is proud to be an equal opportunity employer. | 6. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.</s> | Work-from-home opportunities available | Financial planning assistance, bereavement leave, and jury duty leave | 1. CareFirst Medical, Dental, and Vision Coverage for Employees and Dependents | 2. Up to 25 Days of Paid Time Off (PTO), with 40 Hours of PTO Carryover | 3. 11 Federal Government Holidays | 4. Workfrom-Home Opportunities | 5. 401K with Company Contribution, Fully Vested from Day One | 6. Potential for Discretionary, Certification, and Signon Bonuses | 7. Employee Referral Bonus Program | 8. Annual Professional Development Opportunities | 9. 100% Premium Coverage for Life and Disability Insurance | 10. Additional Voluntary Life Insurance Available | 11. Financial Planning Assistance, Bereavement, and Jury Duty Leave | 12. Monthly Team and Family Events | 13. Technology and Swag Budgets | 14. Global Entry Program Benefits</s> | Global Entry and annual swag budget | 401K company contribution, fully vested on day one | Up to 25 days of Paid Time Off (PTO), with up to 40 hours of PTO carryover | Bereavement and jury duty leave</s> | 2. Up to 25 days of Paid Time Off (PTO) with up to 40 hours of PTO carryover | 5. 401K company contribution, fully vested on day one | 6. Discretionary, certification, and signon bonus potential | 10. Additional voluntary life insurance options | 11. Employee Assistance and Travel Protection programs | 12. Financial planning assistance | 13. Bereavement and jury duty leave | 14. Monthly team and family events | 15. Technology budget | 16. Global Entry and annual swag budget</s> | 1. Mission Box Technologies is committed to creating a diverse environment | 2. Our strategic partner values the benefits of diversity in our workforce | 4. Applicants selected may be subject to a government security investigation and must meet eligibility requirements for potential access to classified information. Accordingly, US Citizenship is required.</s> | Supportive team culture with opportunities for advancement | Competitive hourly pay | Medical, dental, vision, and life insurance | 401(k) with employer match | Company-provided tools and resources | Training and development opportunities | Overtime pay | Travel opportunities</s> | 2. Medical, dental, and vision coverage | 3. Paid time off and holidays | 4. Professional development opportunities</s>

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