Entarian is seeking an experienced C-Suite Executive Assistant (EA) to provide high-level strategic and administrative support to ERT’s top executives. Will act as a gatekeeper and business partner by managing complex calendars, coordinating travel, preparing confidential communications and presentations, overseeing projects, and serving as a liaison with board members and senior staff, all while maintaining discretion and operating proactively in a fast-paced environment.

• Calendar & Schedule Management: Proactively manage complex, dynamic schedules, prioritize meetings, and resolve conflicts to optimize executive time.
• Travel & Expenses: Arrange complex domestic/international travel, itineraries, and process associated expense reports.
• Office Management: Oversee daily business operations of ERT’s Tysons office, ensuring a productive, organized, and compliant workplace. Key responsibilities include managing administrative procedures, controlling office budgets and inventory, and handling vendor relations.
• Meeting & Event Support: Prepare agendas, presentations (PowerPoint), reports, and other meeting materials. Coordinate regular meetings including quarterly board meetings, monthly executive meetings, MBRs, program reviews, weekly leadership, etc. Capture action items for follow up.
• Project Management: Support special projects, track deliverables, and manage workflows across the executive team.
• Liaison & Representation: Serve as a link between the executive, board, staff, and external stakeholders, representing the executive and company professionally. Screen calls/emails, draft correspondence (internal/external), handle confidential information, and act as the primary point of contact. Support corporate communications in conjunction with HR and Marketing teams.
• Confidentiality & Discretion: Handle sensitive information with sound judgment and utmost confidentiality. Supports Special Security Agreement (SSA) documentation in conjunction with FSO.

The salary for this position is approximately $80,000 - 90,000/year.

This position will be on site at ERT’s corporate office in Tysons Corner Monday – Thursday. Friday may be worked remotely or in office as desired.

• Bachelor’s degree in business administration or related field, or equivalent

• 5+ years of related experience required working in an executive assistant role supporting C-Level executives.

• Ability to anticipate needs, offer solutions, and align efforts with business goals.

• Superior time management, planning, and follow-through.

• Excellent verbal, written, and interpersonal skills; Ability to write and edit a variety of internal and external communications

• Ability to take initiative and work with minimal supervision.

• Proficiency in Microsoft Suite (Word, Excel and PowerPoint)

• Previous experience in a gov con environment a plus
• Familiarity with graphic design tools (e.g., Canva, Adobe Creative Suite) a plus
• Special Security Agreement (SSA) documentation support experience desired, but not required

Entarian was launched in 2026 as the new company name for legacy ERT and Sev1Tech, two companies built on providing excellent customer service and mission support for a variety of federal customers. ERT and Sev1Tech together as Entarian become a fully diversified engineering and federal technology solutions firm with broad reach into space, civilian, and defense markets.

Compensation
Entarian considers several factors when extending an offer of employment, including the location, scope, and associated responsibilities of the specific position, as well as a candidate’s work experience, education/training, and key skills.

Benefits
All full-time employees are eligible to participate in our flexible benefits package, which includes:

• Medical, Rx, Dental, and Vision Insurance
• 401(k) retirement plan with company-matching
• 11 Paid Federal Government Holidays
• Paid Time Off (PTO)
• Basic Life & Supplemental Life
• Health Savings Account, Flexible Spending and Dependent Care Flexible Spending Accounts
• Short-Term & Long-Term Disability
• Employee assistance program (EAP)
• Tuition Reimbursement, Personal Development & Learning Opportunities
• Skills Development & Certifications
• Professional Membership Reimbursement
• Employee Referral Program
• Competitive compensation plan
• Discretionary variable incentive bonuses based on factors such as individual performance, business unit performance, and/or the company’s performance
• Publication and Conference Presentation Awards with bonuses

Entarian is an Equal Opportunity and Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.