Jobs and Careers

Senior, Systems Administrator (TS/SCI)

Springfield, United Statesfull_timeVerifiedPosted 25 Jul 2024

About the role

ABOUT US

Seamless Migration is a Service-Disabled Veteran-Owned Small Business (SDVOSB) started in 2021 with the purpose of enabling businesses and organizations through automation. Our goal is to help organizations discover, implement, and maintain solutions which evolve and mature with their ever-changing business needs. We believe in applying agile methodologies in all aspects of our business practices and use these methods to ensure effective results for our clients.

Seamless Migration is seeking a career and customer-oriented Senior Systems Administrator II Generalist, to join our team in Springfield, VA.

CLEARANCE

Active TS/SCI (existing clearance required to start)
Ability to obtain and maintain a Counterintelligence (CI) Polygraph

LOCATION

Springfield, VA (onsite)

OVERVIEW

Provide O&M support for IT Operations and Maintenance (O&M) team to deliver high-performance, highly available server technology solutions.
Install, configure, secure, test, sustain, upgrade, remediate, and decommission IT cross-domain solutions (CDS).
Administer a combination of Microsoft Windows and Linux-based platforms for a client-server solution allowing access to Multiple Independent Levels of Security (MILS) and Operational Domains.
Provide O&M support to server-based solutions across various major technology vendors (Citrix, Esri, McAfee, Microsoft, Red Hat, SolarWinds).
Support mid-level internal escalation tier(s) for the Server O&M team.
Collaborate with IT team to maintain CDS-based networking devices and components.
Contribute to documentation for the team's solution system(s), sub-system(s), and component(s).

QUALIFICATIONS

5+ years of hands-on experience with O&M support of enterprise server OSs (Windows Server, Red Hat Enterprise Linux) and server applications and services.
3+ years of experience with MLS and/or CDS implementations, integrations, accreditations, and operations.
3+ years of hands-on experience with Linux-based platforms (specific experience with RHEL 6 and/or 7 is a plus).
3+ years of experience in secure processing environments adhering to U.S. Government Information Assurance and Security standards (DISA SRGs and STIGs).
Strong understanding of core IT Networking protocols (SSH, SCP, FTP, SSL, PIJ, VPN, SNMP).
Experience in Helpdesk coverage.
Minimum credential requirements for a Cyber IT/Cybersecurity Workforce (CSWF)
CompTIA Security+ ce; or GIAC Security Essentials (GSEC); or Systems Security Certified Practitioner (SSCP)

NICE TO HAVE

GIAC Certified Windows Security Administrator (GCWN) certification.
Microsoft Certified: Modern Desktop Administrator Associate or Microsoft Certified Solutions Associate (MCSA): Windows 10 certification.
Microsoft Certified Solutions Associate (MCSA): Windows Server 2016 certification.
Experience with Microsoft Windows 10 enterprise desktop offerings within virtual and CDS implementations.
Experience with enterprise Windows Server 2012 or newer.
Experience with scripted technologies (PowerShell on Linux, Bash, Perl, Python).
Hardware and software system validation testing experience.
Troubleshooting, critical thinking, and analytical expertise.
Working knowledge of enterprise-grade IT solutions.
Experience with Cisco Adaptive Security Appliances (ASAs).
Familiarity with enterprise Microsoft server-based applications (Exchange, IIS, SQL, SharePoint) and services (Active Directory, DNS).
Experience with Red Hat Satellite and Security Enhanced Linux (SELinux) configurations.
Experience with McAfee ePolicy Orchestrator and SolarWinds Orion Platform.
Experience with Virtual Desktop Infrastructure (VDI) implementations, specifically Citrix XenDesktop.
Familiarity with IT Networking technologies (routing and switching, TCP/IP, traffic analysis, packet capturing and analysis).