Are you looking for a Challenge? Looking for an innovative organization and the opportunity to learn and grow professionally? We can help! We are seeking a Security Specialist to support the Internal Revenue Service (IRS), Information Technology (IT), Enterprise Operations, IRS Web Infrastructure Services, and M365 Program Management Branch. This is a remote position.
I’ve never heard of Terrestris. What do you do?
At Terrestris, we leverage technology to create better mission outcomes through better human performance. We form strong client and team relationships through transparency and strive to create an environment where our team can let their excellence shine through. By finding, developing, and incorporating new ideas, we provide memorable services. Rooted in the USMC values of honor, courage, and commitment, Terrestris seeks to deliver extraordinary value to the American people by helping the Government become more efficient and effective.
So, what will the Security Specialist at Terrestris do?
In support of the IRS M365 Cloud Program Management Office, we are seeking an experienced Security Specialist to maintain and enhance the security posture of the IRS Microsoft 365 (M365) environment. This role will focus on security onboarding, audit logging solutions, data protection, AOS security models, compliance, and enterprise governance. The ideal candidate will have deep expertise in Microsoft 365 security capabilities, hands-on experience supporting high-security government or large enterprise environments, and strong knowledge of federal compliance and risk management frameworks.
What does a typical day look like for the Security Specialist?
- Configure and secure AvePoint Online Services interfaces with a focus on security controls.
- Apply data connectors and establish enterprise-wide data policies.
- Conduct security and privacy analysis of Microsoft 365 services to ensure compliance with IRS and federal standards.
- Implement, configure, and monitor M365 security controls, compliance settings, and governance policies.
- Support ongoing risk assessments, vulnerability management, and remediation activities.
- Develop, maintain, and update security documentation, including policies, procedures, and incident response plans.
- Collaborate with technical teams, engineers, and IRS SMEs to ensure secure architecture, integration, and operation of M365 tools.
- Monitor security alerts, assess potential threats, and support incident response activities.
- Adapt quickly to IRS-specific compliance requirements, security controls, and operational processes.
What qualifications do you look for?
You might be the professional we’re looking for if you have:
- Authorized to work in the United States permanently without sponsorship.
- Minimum of 5 years of IT security experience, preferably supporting Microsoft 365 environments in large government or enterprise settings.
- Experience supporting federal government clients or other high-security, compliance-driven environments; IRS experience preferred.
- Demonstrated experience managing user permissions, data retention, compliance settings, and governance policies within M365.
- Hands‑on knowledge of Microsoft 365 security features, Azure AD, Intune, Exchange Online security, identity protection tools, and Copilot for Power Apps/Power Automate, including AI Builder.
- Demonstrated ability to troubleshoot and resolve technical issues across the entire M365 cloud platform and AvePoint Online Services.
- Familiarity with federal cybersecurity standards and frameworks such as NIST 800-53, FISMA, and Zero Trust.
- Strong analytical, problem‑solving, and risk mitigation skills.
- Excellent verbal and written communication skills with the ability to explain technical concepts to multiple audiences.
- Proven ability to establish and maintain effective business unit relationships and coordinate security activities across teams.
We are impressed by folks with:
- Experience supporting IRS programs or IRS modernization initiatives.
- Hands‑on experience with incident response, threat analysis, and security automation within Microsoft 365 and Azure environments.
- Strong knowledge of cloud governance, compliance tooling, and security frameworks across M365 and Azure.
Relevant certifications, including but not limited to:
- CISSP, CISM, Security+
- Microsoft Certified: Security Operations Analyst
- Microsoft 365 Certified: Security Administrator
- SC-400: Information Protection and Compliance
- SC-300: Identity and Access Administrator
- MS-102: Microsoft 365 Administrator Associate
- PL-400: Power Platform Developer Associate
- PL-600: Power Platform Solution Architect Expert
- PL-900: Power Platform Fundamentals
- AZ-104: Microsoft Azure Administrator Associate
- ITIL® 4 Foundation
- AvePoint Administration
What kind of benefits does Terrestris Offer?
We offer outstanding benefits including health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work‑life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category.
Terrestris is an Equal Opportunity Employer (EOE). Qualified applicants are considered for employment without regard to age, race, color, religion, sex, national origin, sexual orientation, disability, or veteran status. Applicants must be authorized to work in the U.S.
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