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Mark Sieg Email & Phone Number

Cybersecurity Program Manager MSTM - C|CISO - CISM - CISSP - PMP - ITIL – CMMI – CIO at Valiant Solutions, LLC
Location: Clifton, Virginia, United States 10 work roles 3 schools
1 work email found @tivejo.com 7 phones found area 703, 276, and 386 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

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Current company
Role
Cybersecurity Program Manager MSTM - C|CISO - CISM - CISSP - PMP - ITIL – CMMI – CIO
Location
Clifton, Virginia, United States

Who is Mark Sieg? Overview

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Quick answer

Mark Sieg is listed as Cybersecurity Program Manager MSTM - C|CISO - CISM - CISSP - PMP - ITIL – CMMI – CIO at Valiant Solutions, LLC, based in Clifton, Virginia, United States. AeroLeads shows a work email signal at tivejo.com, phone signal with area code 703, 276, 386, and a matched LinkedIn profile for Mark Sieg.

Mark Sieg previously worked as Cybersecurity Program Manager of the Dept. of Education (ED) at Valiant Solutions, Llc and Cybersecurity Program Manager of Office of the Comptroller of the Currency (OCC) contract at Variq. Mark Sieg holds Masters, Technology Management from George Mason University.

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Email format at Valiant Solutions, LLC

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msieg@tivejo.com
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Profile bio

About Mark Sieg

Sr. Program Manager,MSTM - C|CISO - CISM - CISSP - PMP - ITIL – CMMI – CIO• Persuasive, build consensus to ultimately accomplish the mission, vision and values that ultimately achieves the strategic integrated planning and goals of the organization• Adaptability to broad range of industries, managing multimillion dollar accounts with record of successfully implementing programs that reduced costs and increased efficiencies• Very personable, intuitive, inquisitive, diligent, punctual, unselfish, trustworthy, loyal, highly motivated, committed to high ethical standards and personal integrityCAREER HIGHLIGHTS• Achieved all Excellent CPAR ratings after fixing a failing multimillion dollar IRS project with aggressive financial management, personnel management and client management• Led and achieved the ISO 9008-2001 Certification for Akira Technologies and also contributed to company’s CMMI ML3 for Development (v1.3) efforts • Led and achieved the Appraised CMMI ML3 for Development (v1.3) for Aset Partners and also contributed to company’s ISO 9008-2001 Certification• Delivered valued program management leadership of a $10M (annually) multiyear program for one of the most successful enterprise technology deployments in the federal government (Dept. of Agriculture’s OCIO-ITS-IDB division), supporting one of the largest Microsoft Active Directory environments with coverage in all 50 states and territories with over 3,200 Domain Controllers• Managed 24 direct FTEs with emphasis on team building, thus winning team loyalty as well as managing 7 subcontracting companies (50+ employees) concurrently• Implemented comprehensive IT Refresh projects and enterprise-wide upgrading of systems and platforms for federal agencies including the Dept. of Education and the Dept. of Agriculture, including hardware, operating systems and software applicationsMy professional goals are to be one of the following: CIO, CISO or a VP of Cybersecurity.

Listed skills include Integration, Program Management, Security, Sharepoint, and 29 others.

Current workplace

Mark Sieg's current company

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Valiant Solutions, LLC
Valiant Solutions, Llc
Cybersecurity Program Manager MSTM - C|CISO - CISM - CISSP - PMP - ITIL – CMMI – CIO
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10 roles

Mark Sieg work experience

A career timeline built from the work history available for this profile.

Cybersecurity Program Manager Of The Dept. Of Education (Ed)

Current

Henderson, Nc, Us

Cybersecurity Program Manager of the Dept. of Education (ED) contract ($5M+) Annually• Program Management of 25+ staff including subcontracting companies of the DoED’s Cybersecurity Security Operations Center (SOC) with 7x24x365 support• SOC functional teams includes Event Monitoring, Incident Response, Threat Intelligence, Security Engineering, Quality Assurance, Threat & Vulnerability Mgmt, and Identity & Access Mgmt• Render oversight to all the cybersecurity assets, which include Splunk, RedSeal, CenturyLink, Encase, FireEye iSight, Infoblox, LookingGlass, HSIN, BigFix, Dell Data Security, Defender, Prisma, Authentic8, Netwitness, Tenable, Axonius, and others• Cybersecurity Excellence Award - Team Impact Award• Achieved CMMI ML4 Rating for the DoED’s Incident Response Program in 1st year of contract• Achieved Very Good CPAR ratings in first year of contract via tight integration between contractors and federal counterparts

Jun 2021 - Present

Cybersecurity Program Manager Of Office Of The Comptroller Of The Currency (Occ) Contract

Rockville, Maryland, Us

Cybersecurity Program Manager of Office of the Comptroller of the Currency (OCC) contract ($5M) Annually• Program Management of 25+ staff including 3+ subcontracting companies of the Cyber Defense Center (CDC) for OCC’s Cybersecurity Security Operations Center (SOC) with 7x24x365 support • SOC functional teams includes Event Monitoring, Incident Response, Threat Intelligence, Security Engineering, Quality Assurance, Threat & Vulnerability Mgmt, and Identity & Access Mgmt• Achieved CMMI ML4 Rating for the CDC for the OCC SOC• Published nearly 100 Standard Operating Procedures (SOPs)• Extensive workflow integration to drive efficiency and reduce errors• Business Development activities with emphasis on technical integration and capabilities

Apr 2017 - Jun 2021

Idiq Program Manager/Sr. Program Manager

Vienna, Virginia, Us

IDIQ Program Manager of all IRS contracts ($10M+) Annually• Primary POC for the IRS client for meeting program schedule and deliverables with contract negotiating and decision-making authority over all IRS contracts• Project/Task Manager of the IRS ACA Cybersecurity project by the coordinating the Architecture and Engineering security guidance of security solutions across all ACA projects• Business Development activities with emphasis on pricing and staffing plans

Feb 2015 - Aug 2016

It Director Of Program Management/Sr. Project Manager

Washington, District Of Columbia, Us

Solely built from inception Akira’s Program Management Office and contracted to the FDA in providing Senior IT Project expertise.• IT Director of Program Management, responsible for the establishment of company’s enterprise program management practice via ISO 9001-2008 and CMMI ML3 efforts• Sr. Project Manager in support of 40+ projects for FDA CBER with activities such as project health checks, integrated planning and SharePoint implementation to support program activities • Business Development with emphasis on technical integration and capabilities

Oct 2013 - Aug 2014

Sr. Project Manager

Baltimore, Md, Us

Co-established from inception Aset Partner’s Program Management Office and contracted to various Federal contracts in providing Senior IT Project expertise• Lead and achieved the CMMI ML3 Appraisal and contributed to company’s ISO 9001-2008 efforts• Project Manager of the IRS SOI project to analyze and assess all SOI IT systems• Program Management support of the DHS ISCD CFATS program in replacing CHEMS with Appian• Project Manager of the FDA ORA $200M budget that support activities directed towards work occurring within and between ALM, MARCS and RBIS Investments

Oct 2011 - May 2013

Program / Project Manager

Fairfax, Va, Us

Contracted to various Federal contracts in providing Senior IT Program/Project expertise.• Program Manager of the FCC PMO utilizing the Clarity PPM tool to manage $70M of IT investments• Project Management of the IRS Electronic Data File System (EFDS) Data Architecture (DA) Team• Project Management of the IRS Human Capital Office (HCO) intranet site from C# to SharePoint• Program Management support of the $610M of the NIST’s ARRA projects• Program Management support of a new SharePoint site for the IRS (Appeals BSP Division)

Nov 2008 - Oct 2011

Program Manager / It Specialist

Contracted to various Federal contracts in providing Senior IT Program/Project expertise. • 2007-2008: Department of Education (DoED) - Provided PMO leadership from a GOCO to a COCO environment for the following inter-related IT Refresh projects: • Hardware: Desktops, laptops, scanners, printers and other devices • Operating System: Microsoft Vista (Image, testing, and deployment) • Software: Common applications (i.e. MS Office 2007 & Adobe) and various COTS• 2001-2007: USDA (ITS-IDB-IOLAB) - Provided program management and IT support functions (development, integration, testing, security and more) for an extremely large Microsoft environment (3,000 Domain Controllers and 50,000 workstations) with coverage in all 50 states and territories. • Program management of a $10M (annually) multiyear program supporting one of the largest Microsoft Active Directory environments • Contractual activities including, but not limited to budgeting, invoicing, purchase orders, expense vouchers, forecasting, performance and monthly status reviews/reports • Supervised 50+ employees and 7 subcontracting companies

Oct 2001 - Aug 2008

Senior Infrastructure Engineer

Tysons Corner, Va, Us

Managed 1,000 DELL Windows NT servers and RAID storage systems.

May 2000 - Jul 2001

Network Engineer Ii

Management Support Technologies, Inc.

Network administration for the U.S. Army (MTMC-HQ), supporting 1,200 workstations and 30 servers.

Jun 1999 - Apr 2000

Network Administrator

Bregman & Company, Inc.

Served as primary NT Network Administrator, webmaster, and technical support specialist for environmental consulting firm.• Installed new hardware, configured software, added printers, and performed all troubleshooting and computer repair.• Acted as technical support specialist to diverse non-technical staff, training end-users on desktop applications and quickly addressing all PC and network-related problems.

Feb 1998 - Mar 1999
3 education records

Mark Sieg education

Masters, Technology Management

George Mason University

Bachelor Of Science (B.S.), Environmental Science

The University Of Virginia'S College At Wise

Associate Of Science (A.S.), Science

Northern Virginia Community College
FAQ

Frequently asked questions about Mark Sieg

Quick answers generated from the profile data available on this page.

What company does Mark Sieg work for?

Mark Sieg works for Valiant Solutions, LLC.

What is Mark Sieg's role at Valiant Solutions, LLC?

Mark Sieg is listed as Cybersecurity Program Manager MSTM - C|CISO - CISM - CISSP - PMP - ITIL – CMMI – CIO at Valiant Solutions, LLC.

What is Mark Sieg's email address?

AeroLeads has found 1 work email signal at @tivejo.com for Mark Sieg at Valiant Solutions, LLC.

What is Mark Sieg's phone number?

AeroLeads has found 7 phone signal(s) with area code 703, 276, 386 for Mark Sieg at Valiant Solutions, LLC.

Where is Mark Sieg based?

Mark Sieg is based in Clifton, Virginia, United States while working with Valiant Solutions, LLC.

What companies has Mark Sieg worked for?

Mark Sieg has worked for Valiant Solutions, Llc, Variq, Constellation West, Akira Technologies, Inc, and Aset Partners.

How can I contact Mark Sieg?

You can use AeroLeads to view verified contact signals for Mark Sieg at Valiant Solutions, LLC, including work email, phone, and LinkedIn data when available.

What schools did Mark Sieg attend?

Mark Sieg holds Masters, Technology Management from George Mason University.

What skills is Mark Sieg known for?

Mark Sieg is listed with skills including Integration, Program Management, Security, Sharepoint, Project Management, Agile Methodologies, Information Assurance, and Active Directory.

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