If you have IT or Engineering skills and experience you feel may be relevant for TISTA to consider, send your resume with salary expectation to jobs@tistatech.com. Please indicate active clearance level (Confidential, Secret, Top Secret, TS/SSBI, TS/SCI, or none) in your resume or cover letter. Candidates not currently possessing an active clearance may be required to obtain a clearance for certain positions. TISTA Science and Technology Corporation is an equal employment opportunity company. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or national origin. Our current job openings are listed below: Sr. Information Assurance Analyst:
Location: Washington Metropolitan Area
Responsibilities:
Supporting an Information Assurance (IA) program for a DoD agency requiring extensive experience in Computer Network Defense (CND), system security design, network architecture, security practices, and IA tools. Extensive knowledge of Information Assurance to include DOD Joint Technical Architecture (JTA), Command, Control, Communications, Computers and Intelligence Support Plan (C4ISP) process, and DOD Certification and Accreditation (DITSCAP/DIACAP).

Experience Required:
Minimum of 8 years of experience in the engineering and information technology field. Minimum of 4 years of experience in Computer Security/Information Assurance. Demonstrated experience in analytical problem solving, and understanding network protocols, architectures and with IA products and systems. B.S. in Electrical Engineering, Computer Science, or Information Systems. M.S. in Electrical Engineering, Computer Science, or Information Systems preferred. CISSP preferred. Active DoD Secret or higher clearance required to be considered for this position. Strong verbal and written communication skills required, with the ability to interact and negotiate system/network requirements with clients. Senior Systems Security Engineer/C&A Analyst:
Location: Washington Metropolitan Area
Responsibilities:
Serve as a certification team lead for government programs and projects with an emphasis on systems security engineering. Support the clients in defining Certification and Accreditation (C&A) needs in accordance with DoDI 5200.40, the DoD IT Security Certification and Accreditation Process (DITSCAP), and DoDI 8510.bb, the DoD Information Assurance C&A Process (DIACAP). Develop and execute C&A schedules, develop and modify C&A documentation, and analyze the Information Assurance (IA) architecture of IT systems for compliance with DoD policies. Develop and execute security test plans, assess the IA risk of IT systems, and document them into formal risk assessments. Review SSAA documents for integrity and completeness as required. Coordinate C&A activities with team members and clients and manage client expectations to maintain client satisfaction.
 
Experience Required:
Experience with FASTLANE, TACLANE, and other IP encryptors preferred. Experience with IPsec, IKE, SNMPv3, IPv4, IPv6, IP network modeling, and IP multicast preferred. Ability to provide valuable recommendations for systems, test, and software specifications and requirements. Ability to provide technical inputs into specifications, test plans, and test procedures. Ability to lead a team in a fast-paced client environment and pay strict attention to quality assurance. BA or BS degree in a technical field preferred. CISSP a preferred. Active Secret clearance or being able to obtain a Secret is a must. Sr. Network Engineer:
Location: Washington Metropolitan Area
Responsibilities:
Manage, monitor, secure, and maintain devices such as security routers, switches, firewalls, and out-of-band terminal servers for Top Level Architecture. Proficient in Cisco Network hardware products, and provide SIPRNET/NIPRNET service support for Top Level Architecture. Works in integration of a total network including the planning, design, installation, maintenance, management, and coordination of the corporate LAN/WAN.
 
Experience Required:
Strong background in supporting large user IP global enterprise networks with documented success in a complex business. Extensive experience working with various network topologies (LAN, WAN, MAN, Remote Access, Wireless, etc) including encryption (3DES, AES, etc). Experience designing and implementing infrastructure management strategies and tools. Strong skills in IT Infrastructure architecture, WINDOWS, SAN Based System architecture, and VMware, LAN/WAN/Firewall Network architecture. Excellent written and verbal communication skills. Active Secret clearance or being able to obtain a Secret is a must. System/Network Administrator:
Location: Washington Metropolitan Area
Responsibilities:
Troubleshoot LANs and WANs. Advise the client on technical requirements and best practices. Provide tier three helpdesk support and server administration, including print, file, backup, Citrix, Web, database and test environments. Use various network tools to scan for IA vulnerabilities on the servers and mitigate vulnerabilities. Develop technical documentation and network diagrams as necessary. Build and maintain software application production and test environments. Administer VMWARE 3.0 infrastructure. Manage Veritas/Symantec backup.
 
Experience Required:
3 years of experience with performing Microsoft Windows 2000 or 2003 server administration, working with Veritas/Symantec Backup Exec 9.0, supporting IIS 5.0/6.0, and experience with building Web application servers and database servers. Must have basic knowledge of Virtual Server ESX 3.0 and Virtual Center, Citrix Presentation Server 4.0 administration, server software and hardware requirements or purchasing, and Microsoft SharePoint Portal Server 2003. BA or BS degree in a technical discipline. A+, Network+, or CCNA certifications a plus.