Senior Systems Engineer

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That's why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility-leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation's vital interests.

Requisition #: 727

Job Title: Senior Systems Engineer

Location: 11600 Sunrise Valley Dr Reston, Virginia20191

Required Certification(s):

• Industry certifications such as Microsoft Certified Solutions Expert (MCSE), AWS Certified Solutions Architect, Azure Solutions Architect or Microsoft 365 Certified: Administrator Expert

SUMMARY

We are seeking an experienced and highly skilled Senior Systems Engineer to join our Corporate Infrastructure team. The ideal candidate will have a deep understanding of Microsoft 365 environments, as well as hands-on experience with security tooling, Identity and Access Management (IAM), virtual cloud platforms, and have a good grasp on networking fundamentals. This role involves supporting, maintaining, and optimizing complex systems infrastructure, ensuring security compliance, and working with key stakeholders to implement best practices for enterprise-level systems.

JOB DUTIES AND RESPONSIBILITIES

• Administer and Engineer solutions for Microsoft 365 environments, including Exchange, Entra, SharePoint, Teams, OneDrive, and other associated services. Provide troubleshooting and support for end-users, ensuring efficient operation.

• Implement and manage security solutions such as CyberArk, Zscaler, and CrowdStrike to safeguard the enterprise environment. Respond to security incidents, perform analysis, and ensure that security best practices are followed.

• Design, implement, and maintain IAM solutions using Okta and Entra. Provide support for authentication, authorization, and role-based access control across on-premises and cloud environments.

• Administer and support Azure and AWS environments, including resource provisioning, security configurations, and cost optimization. Ensure seamless integration of cloud services with on-premise infrastructure.

• Manage and support virtualized computing environments using technologies like VMware. Ensure optimal performance and scalability of virtual machines and related infrastructure.

• Ensure that all systems comply with industry-standard security frameworks, including ISO 27001, NIST 800-171 and other relevant standards. Participate in audits, assessments, and the implementation of necessary corrective actions.

• Act as an escalation point for complex technical issues, collaborating with other teams to resolve problems related to systems, networking, and security.

• Create and maintain detailed documentation related to systems configurations, security protocols, incident reports, and compliance audits.

QUALIFICATIONS

Required Certifications

• Industry certifications such as Microsoft Certified Solutions Expert (MCSE), AWS Certified Solutions Architect, Azure Solutions Architect or Microsoft 365 Certified: Administrator Expert

Education, Background, and Years of Experience

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent work experience).

• Minimum of 7 years of experience in systems engineering or related roles.

ADDITIONAL SKILLS & QUALIFICATIONS

Required Skills

• Proficiency with server technologies such as Active Directory, Entra, DNS, DHCP, Group Policy, and other core Windows technologies.

• Experience with Microsoft 365 administration, including user management, Exchange Online, Teams, and SharePoint.

• Hands-on experience with security tools like CyberArk, Zscaler, and CrowdStrike for endpoint protection, privileged access management, and network security.

• Strong understanding of Okta and Entra for IAM, including configuration and management of SSO, MFA, and federated identity.

• Expertise in Azure and AWS cloud environments, including resource management, networking, and security.

• Proficiency with virtual cloud providers, networking, and security engineering fundamentals.

Preferred Skills

• Experience with project management and ticketing systems is a plus.

• Experience with tenant-to-tenant, and platform migrations is also a plus.

• Strong analytical and problem-solving abilities with a methodical approach to troubleshooting complex systems and security issues.

• Excellent communication skills with the ability to explain technical concepts to non-technical stakeholders.

• Ability to work independently and as part of a collaborative team.

WORKING CONDITIONS

Environmental Conditions

• Sedentary - no lifting required. Sitting for long periods of time.

Strength Demands

• Sedentary - 10 lbs. Maximum lifting, occasional lift/carry of small articles. Some occasional walking or standing may be required. Jobs are sedentary if walking and standing are required only occasionally, and all other sedentary criteria are met.

Physical Requirements

• Stand or Sit

Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together. What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are.

Happy - Be Infectious.

Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do.

Helpful - Be Supportive.

Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated.

Honest - Be Trustworthy.

Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support.

Humble - Be Grounded.

Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task.

Hungry - Be Eager.

Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges.

Hustle - Be Driven.

Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c)