Network Engineer SME

Secure Our Nation, Ignite Your Future

Become an integral part of a diverse team while working at an industry-leading organization, where our employees come first. At ManTech International Corporation, you'll help protect our national security while working on innovative projects that offer opportunities for advancement.

Currently, ManTech is seeking a motivated, career- and customer-oriented Network Engineer SME to join our team in Annapolis Junction, MD.

Key Responsibilities:

• Installs new releases and system upgrades, evaluates and installs patches, and resolves network-related problems.
• Performs network system backups and recovery.
• Maintains data files and monitors system configuration to ensure network integrity.
• Has knowledge of commonly used concepts, practices, and procedures within a particular field.
• Experienced in executing sound judgment to plan and accomplish goals.
• Performs a variety of tasks and works under general supervision.
• Network documentation and VISIO knowledge.
• Analyzes network access trends and resolves bandwidth management issues for mission-critical systems.
• Implements, troubleshoots, monitors, and maintains all aspects of LAN/WAN/VPN networks for high availability of parallel development, testing, and production environments.
• Reviews SNMP alerts, uses protocol-line analyzers (sniffers), and conducts log forensics to determine root cause analysis and resolution of complex issues.
• Collaborates with software and database developers, Windows and Linux server administrators, and security personnel to analyze requirements, troubleshoot anomalies, and determine appropriate firewall configuration implementation.
• Drafts and submits recommended change request proposals necessary for timely mitigation of POA&Ms and CVE findings.
• Maintains system compliance with DHS/FISMA IT Security and Information Assurance objectives concerning privacy of passenger screening information.

Basic Qualifications:

• 10-12 years of systems administration, network engineering, and systems automation experience.
• A bachelor's degree in Computer Science, Information Systems, Engineering, Business, or other related scientific or technical discipline (Education can be substituted for 4 years of experience).
• Candidate should be a proactive self-starter with exceptional follow-up skills.
• Must possess excellent written and verbal communication skills.
• Able to work on individual tasks, as well as team-oriented tasks, to prioritize competing priorities, work under a cross-matrix management structure, required to be on-call and respond in a timely manner, should be a quick learner, must be able to adapt to quickly evolving technology and priority changes, have a desire to work closely with other members of the IT/development team.
• Experience in conducting assessments at an Enterprise level, reviewing technical documentation, conducting interviews and workshops, identifying gaps, and developing tailored solutions.
• Experience developing, configuring, and delivering COTS solutions in support of enterprise IT infrastructure design (e.g., network, storage, virtualization, database, 3rd party tools).
• Experience in assessing Security findings identified by tools like Tenable, Burp, AppScan.

Hardware Requirements:

• Firewalls: Cisco 4100 Firepower/Firepower Threat Defense, Cisco Firepower Management Center, IDS/IPS, Juniper SRX/JUNOS.
• Switching: Catalyst 9000 Series switches, Cisco 3850/3750X/3560X, Cisco NX-OS switches.
• Load balancers: F5 LTM/GTM.
• Familiar with: SolarWinds, Wireshark, Splunk.

Preferred Qualifications:

• Professional level certifications from Cisco, Juniper, or other vendors.
• Network Automation.
• Routing experience to include static routes, EIGRP, and route redistribution.
• Switching experience to include understanding of virtual port-channels (vPC aka MEC), spanning tree, first hop redundancy protocols, and security best practices.
• Experience with firewall concepts and configurations to include creating/modifying access control lists, network/port address translation, and virtual private networks.
• Experience with load balancing concepts and configurations to include layer4/layer7, SSL offloading, and health monitoring.
• Monitoring of all network components via SolarWinds.

Security Clearance Requirements:

• Active DOD Secret clearance and ability to obtain agency suitability clearance.

Physical Requirements:

• Must be able to remain stationary up to 75% of the time in an office environment.
• Must be able to traverse between one work location to another to accomplish work duties.
• Must be able to operate IT equipment such as a computer, copier, fax machine, etc.
• Must be able to communicate effectively with management and co-workers to exchange information accurately.
• Must be able to read, review, and effectively respond to electronic as well as verbal communications.

This position supports an IT operations environment. Candidates may need to support work on nights and weekends and may be included in an on-call rotation for after-hours support.

Currently, the contract work location requirement is to work in the office at the customer's site once weekly at a minimum. This is subject to change.

The projected compensation range for this position is $122,600-$204,200. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, ManTech invests in its employees beyond just compensation. ManTech's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, Short Term and Long Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries, proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.

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