Description

Concept Solutions is seeking a Cisco IronPort Email Security Administrator to support a large-scale FAA environment (~60,000 users). This role is responsible for administering and securing enterprise email gateway systems, with a focus on Cisco Email Security Appliance (ESA) and Microsoft 365 in a hybrid messaging environment.

Email Security & IronPort Administration

Administer and maintain Cisco IronPort Secure Email Gateway (SEG) appliances
Manage AsyncOS configurations, upgrades, and system performance
Implement and enforce email security policies (anti-spam, anti-malware, data loss prevention)
Monitor, analyze, and respond to email threats and incidents
Perform message tracking, reporting, and log analysis
Apply firmware updates, patches, and security enhancements

Enterprise Messaging Support

Support and administer Microsoft 365 (Exchange Online)
Assist in email platform integration, migration, or coexistence strategies
Collaborate with enterprise teams to ensure secure mail flow and policy alignment

System & Network Administration

Install and configure network hardware and supporting infrastructure
Utilize ServiceNow for incident, change, and request management

Troubleshooting & Incident Response

Diagnose and resolve email delivery, connectivity, and security issues
Conduct log analysis and root cause investigations
Monitor system health and respond to alerts and incidents
Partner with Cybersecurity teams on threat mitigation and response

Documentation & Collaboration

Maintain accurate system documentation, configurations, and procedures
Collaborate with Cybersecurity, Network, and Enterprise Messaging teams
Support audits, compliance requirements, and continuous improvement efforts

Requirements

Bachelor’s degree in IT, Cybersecurity, or related field or equivalent experience
5+ years of progressive experience in system administration, email security, or network engineering

Required Technical Skills & Competencies

Hands-on experience with Cisco IronPort / Email Security Appliance (ESA)
Strong proficiency with AsyncOS
Knowledge of SMTP, MIME, and internet message formats
Experience with email security policies and threat protection
Familiarity with both CLI and web-based GUI administration
Working knowledge of Microsoft 365 and/or Google Workspace administration
Proficiency with Windows 11 / enterprise environments
Experience with ServiceNow or similar ticketing systems
Knowledge of backup solutions (e.g., Arcserve)
Understanding of network fundamentals and TCP/IP
Strong analytical and problem-solving skills
Experience with log analysis, monitoring tools, and performance tuning
Ability to troubleshoot hardware, software, and network issues

Certifications (Preferred)

Cisco Certified Support Technician (CCST) – Cybersecurity or higher
Cisco Certified Network Associate (CCNA)
CompTIA Security+
Cisco Email Security Appliance Certification (or willingness to obtain)

Preferred Qualifications

Experience in federal environments (DOT, FAA, or similar)
Exposure to email platform migrations (e.g., on-premises to cloud)
Familiarity with hybrid or multi-platform messaging environments

Work Location and Schedule

Primary Location: Washington, DC
Schedule: Monday through Friday, core hours 9:00 AM to 3:00 PM local time
Telework may be permitted when determined to be in the best interest of the Government
FAA Personnel Suitability clearance required (AMS 3.14-2)

Compensation: $95K to $104K

Company Profile:

Founded in 1999 and headquartered in Reston, Virginia, Concept Solutions, LLC (CS) is a leading small business in technology, engineering, and management consulting. We are the innovative and agile force behind strategic solutions that enhance organizational efficiency and safeguard our nation across Aerospace, Defense, and National Security sectors.

For over 25 years, CS has been a trusted partner for the Federal Aviation Administration (FAA), Department of Homeland Security (DHS), Department of Justice (DOJ), Department of Defense (DoD) and other federal agencies delivering vital IT, security, and project management services.

Our commitment to excellence is reflected in our adherence to CMMI-DEV ML3, ISO 9001:2015, ISO/IEC 20000-1:2018, and ISO/IEC 27001-1:2013 standards. CS boasts company highlights that include:

Over two decades of experience across over $300 million in contract awards supporting critical FAA programs
Multiple contract vehicles providing opportunities across FAA, DoD, NOAA, and other Federal agencies
Innovation Council - CS maintains an active Internal Research and Development (IR&D) program that is geared towards identifying emerging technologies and pursuing technological innovations

At CS, we know our success stems from our talented team. That’s why we prioritize the wellbeing and growth of our employees, fostering a positive culture centered on innovation, engagement, and career development.

Benefits: Concept Solutions offers a competitive benefits and salary package you would receive from a large company. We offer health, dental, vision and life insurance, as well as a comprehensive 401(k) plan with matching and immediate vesting.

Concept Solutions is an Equal Opportunity Employer, and we value workplace diversity. We invite resumes from all interested parties and consider applicants for all positions without regard to race, color, religion, sex, national origin, age, marital status, sexual preference, personal appearance, family responsibility, the presence of a non-job-related medical condition or physical disability, matriculation, political affiliation, veteran status, or any other legally protected status. Concept Solutions is a VEVRAA federal contractor, and we request priority referral of veterans for available positions.

Learn more about this Employer on their Career Site