Senior Network / Domain Administrator & Security Operations (SOC)
About the role
The Network / Domain Administrator & Security Operations (SOC) role is integral to ensuring the security and integrity of Inversion's network infrastructure and identity systems. This role is critical in enforcing access control, network security, logging, and incident detection/response in alignment with NIST SP 800-171, CMMC Level 2, and DFARS requirements.
Responsibilities
- Administer identity systems (Microsoft Entra ID, Active Directory, GCCH tenants)
- Enforce MFA, conditional access, and least privilege principles
- Manage privileged accounts and implement separation of duties
- Conduct periodic access reviews and account audits
- Configure and manage network infrastructure:
- Firewalls, routers, VLANs, ACLs
- Enforce segmentation between:
- Corporate network
- CUI enclave (CTMD)
- External/public access
- Manage DNS, DHCP, and IP address management
- Maintain network diagrams and documentation (e.g., NetBox)
- Support secure connectivity between corporate, enclave, and cloud environments
- Assist with compliance audits and security assessments
- Participate in on-call rotation for incident response
- 5–9+ years of experience in network administration and/or security operations
- Strong knowledge of:
- Networking (TCP/IP, VLANs, routing, firewalls)
- Identity and access management (AD, Entra ID)
- Experience with SIEM and monitoring tools
- Understanding of security principles and incident response
- Experience in regulated environments (CMMC, NIST 800-171, GovCloud, GCCH)
- Certifications such as:
- Security+, CySA+, CISSP (or equivalent)
- Continuous monitoring must be active, documented, and reviewable
- Logs must be centralized, retained, and protected from tampering
- Network segmentation and access controls must be enforced and verifiable
- All privileged activity must be controlled, logged, and auditable
- Incident response must be documented and repeatable
- Full alignment with SSP-defined controls and CUI boundary enforcement
Qualifications
Preferred Qualifications
Audit-Relevant Expectations
Pay
The California annual base salary for this role is currently $110,000 - $140,000. Pay Grades are determined by role, level, location, and alignment with market data. Individual pay will be determined on a case-by-case basis and may vary based on the following considerations: interviews and an assessment of several factors that are unique to each candidate, job-related skills, relevant education and experience, certifications, abilities of the candidate and internal equity.