IT Systems & Security Admin

Job Summary
Responsible for supporting ThinKom’s overall IT operations, infrastructure reliability, and compliance posture under CMMC and FedRAMP guidelines. This role blends hands-on technical support with security administration and documentation, ensuring the company’s systems, users, and data are secure, efficient, and audit-ready.

Essential Job Duties and Responsibilities

Systems Administration & Support

• Administer and maintain core IT infrastructure (servers, networking, user endpoints).


• Manage Google Workspace Enterprise (FedRAMP Edition) - user accounts, groups,SSO, MFA, and data retention policies.


• Provide Tier 2–3 support for user issues related to email, connectivity, VPN, file access, etc.


• Oversee Active Directory / Azure AD synchronization and group policy enforcement.


• Maintain BitLocker encryption, endpoint MDM controls (Windows/Intune), and ensure proper device enrollment.


• Coordinate with HR for user onboarding/offboarding workflows, ensuring timely access provisioning and revocation.
  

Security & Compliance

• Manage and document security controls in support of CMMC/NIST 800-171 compliance.


• Administer and monitor Darktrace and Sentinel One dashboards, responding to alerts and escalating incidents.


• Enforce company security policies: password management, MFA, and least-privilege access.


• Generate compliance evidence (screenshots, logs, reports) and maintain
  documentation on shared compliance drive.


• Collaborate with internal and external auditors to prepare for self-assessment and government audits.


• Support VPN administration (e.g., site-to-site and user-based VPNs integrated with AD and MFA).

Network & Infrastructure

• Monitor and maintain network connectivity across multiple ThinKom buildings (LAN/WAN/Wi-Fi).


• Collaborate with vendors and IT consultants for firewall, switch, and access point configurations.


• Ensure uptime of critical systems, servers, and shared storage.

IT Asset & License Management

• Oversee & Track hardware assets  engineering, office, spares, and loaners) and ensure MDM enrollment and encryption.


• Maintain inventory logs and coordinate laptop orders with Finance and IT.


• Manage licensing. Other tasks or duties as assigned.

Skills and/or Experience Needed

• College degree in Information Systems, Information Technology, Computer Science or equivalent.


• Recently completed Google Workspace Certification and Network Certification, preferred but not required.


• 3-5 years min experience in an IT administration or IT security role.


• Operating Systems: Windows 10/11, Windows Server, macOS, Linux.


• Cloud & Productivity: Google Workspace Enterprise (Admin Console, Vault, Drive, Groups, APIs, VB, Visual Studio, Web Development using CodeIgniter, jQuery, etc).


• Security Tools: Darktrace, Sentinel One, BitLocker, Intune, VPN (OpenVPN, Fortinet, or Cisco), MFA/SSO.


• Network Management: VLANs, DNS, DHCP, firewalls, switches, and Wi-Fi management.

Compliance & Documentation: NIST 800-171, CMMC, FedRAMP, and audit trail reporting (or equivalent).

• Experience supporting hybrid environments (on-prem + cloud) preferred.


• Exposure to government or defense sector compliance (CMMC, DFARS, FedRAMP) preferred.

Other Abilities

• Strong customer service orientation (always willing to help).


• 
  Strong problem-solving mindset and attention to detail.


• Clear written and verbal communication.


• Ability to collaborate across departments (HR, Accounting, Engineering).


• Self-starter who can manage priorities independently while aligning with
  compliance and audit goals.

Additional Requirements

• Must be eligible to obtain and hold a US DoD Security Clearance in support of US Government contracts/subcontracts.


• Local candidates only

Physical Demands

• This position uses a computer terminal to access, input, and retrieve data.


• This position may be subject to frequent or occasional on the job interruptions that may cause a change in immediate priorities and/or work focus.


• While performing duties of this position, employee is occasionally required to stand, walk, sit, stoop, reach, and/or bend.


• May occasionally be required to lift, push, or pull a maximum of 50 lbs.


• May be subjected to occasional irregular or extended work hours.


• Must be able to work in an environment that may be subject to occasional loud noises, hazardous materials and chemicals.

ThinKom offers generous benefits including: Medical, Dental, Vision,
Disability, Life, 401k Matching (4%), PTO, paid Holidays and Bonus Plan.

ThinKom Solutions is an Equal Employment Opportunity Employer.

ThinKom Solutions is a Drug and Alcohol-free working environment with a
zero-tolerance policy

ACKNOWLEDGEMENT
I have reviewed this IT Systems & Security Administrator Job Description and understand the responsibilities and duties of the position.